]> git.ipfire.org Git - thirdparty/kernel/stable.git/log
thirdparty/kernel/stable.git
14 months agocan: j1939: use correct function name in comment
Zhang Changzhong [Thu, 29 Aug 2024 12:48:23 +0000 (20:48 +0800)] 
can: j1939: use correct function name in comment

[ Upstream commit dc2ddcd136fe9b6196a7dd01f75f824beb02d43f ]

The function j1939_cancel_all_active_sessions() was renamed to
j1939_cancel_active_session() but name in comment wasn't updated.

Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Link: https://patch.msgid.link/1724935703-44621-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agokselftest/arm64: Actually test SME vector length changes via sigreturn
Mark Brown [Thu, 29 Aug 2024 17:20:09 +0000 (18:20 +0100)] 
kselftest/arm64: Actually test SME vector length changes via sigreturn

[ Upstream commit 6f0315330af7a57c1c00587fdfb69c7778bf1c50 ]

The test case for SME vector length changes via sigreturn use a bit too
much cut'n'paste and only actually changed the SVE vector length in the
test itself. Andre's recent factoring out of the initialisation code caused
this to be exposed and the test to start failing. Fix the test to actually
cover the thing it's supposed to test.

Fixes: 4963aeb35a9e ("kselftest/arm64: signal: Add SME signal handling tests")
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20240829-arm64-sme-signal-vl-change-test-v1-1-42d7534cb818@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agodrivers/perf: hisi_pcie: Fix TLP headers bandwidth counting
Yicong Yang [Thu, 29 Aug 2024 09:03:31 +0000 (17:03 +0800)] 
drivers/perf: hisi_pcie: Fix TLP headers bandwidth counting

[ Upstream commit 17bf68aeb3642221e3e770399b5a52f370747ac1 ]

We make the initial value of event ctrl register as HISI_PCIE_INIT_SET
and modify according to the user options. This will make TLP headers
bandwidth only counting never take effect since HISI_PCIE_INIT_SET
configures to count the TLP payloads bandwidth. Fix this by making
the initial value of event ctrl register as 0.

Fixes: 17d573984d4d ("drivers/perf: hisi: Add TLP filter support")
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240829090332.28756-3-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agodrivers/perf: hisi_pcie: Record hardware counts correctly
Yicong Yang [Thu, 29 Aug 2024 09:03:30 +0000 (17:03 +0800)] 
drivers/perf: hisi_pcie: Record hardware counts correctly

[ Upstream commit daecd3373a16a039ad241086e30a1ec46fc9d61f ]

Currently we set the period and record it as the initial value of the
counter without checking it's set to the hardware successfully or not.
However the counter maybe unwritable if the target event is unsupported
by the device. In such case we will pass user a wrong count:

[start counts when setting the period]
hwc->prev_count = 0x8000000000000000
device.counter_value = 0 // the counter is not set as the period
[when user reads the counter]
event->count = device.counter_value - hwc->prev_count
             = 0x8000000000000000 // wrong. should be 0.

Fix this by record the hardware counter counts correctly when setting
the period.

Fixes: 8404b0fbc7fb ("drivers/perf: hisi: Add driver for HiSilicon PCIe PMU")
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240829090332.28756-2-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agopadata: Honor the caller's alignment in case of chunk_size 0
Kamlesh Gurudasani [Wed, 21 Aug 2024 21:02:52 +0000 (02:32 +0530)] 
padata: Honor the caller's alignment in case of chunk_size 0

[ Upstream commit 24cc57d8faaa4060fd58adf810b858fcfb71a02f ]

In the case where we are forcing the ps.chunk_size to be at least 1,
we are ignoring the caller's alignment.

Move the forcing of ps.chunk_size to be at least 1 before rounding it
up to caller's alignment, so that caller's alignment is honored.

While at it, use max() to force the ps.chunk_size to be at least 1 to
improve readability.

Fixes: 6d45e1c948a8 ("padata: Fix possible divide-by-0 panic in padata_mt_helper()")
Signed-off-by: Kamlesh Gurudasani <kamlesh@ti.com>
Acked-by:  Waiman Long <longman@redhat.com>
Acked-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec
Vasily Khoruzhick [Wed, 3 Apr 2024 04:12:40 +0000 (21:12 -0700)] 
ACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec

[ Upstream commit c82c507126c9c9db350be28f14c83fad1c7969ae ]

ACPICA commit 129b75516fc49fe1fd6b8c5798f86c13854630b3

Stop nagging user about every Stall() that violates the spec

On my Dell XPS 15 7590 I get hundreds of these warnings after few hours of
uptime:

$ dmesg | grep "fix the firmware" | wc -l
261

I cannot fix the firmware and I doubt that Dell cares about 4 year old
laptop either

Fixes: ace8f1c54a02 ("ACPICA: executer/exsystem: Inform users about ACPI spec violation")
Link: https://github.com/acpica/acpica/commit/129b7551
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE
Vasily Khoruzhick [Wed, 3 Apr 2024 04:09:45 +0000 (21:09 -0700)] 
ACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE

[ Upstream commit 632b746b108e3c62e0795072d00ed597371c738a ]

ACPICA commit 2ad4e6e7c4118f4cdfcad321c930b836cec77406

In some cases it is not practical nor useful to nag user about some
firmware errors that they cannot fix. Add a macro that will print a
warning or error only once to be used in these cases.

Link: https://github.com/acpica/acpica/commit/2ad4e6e7
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Stable-dep-of: c82c507126c9 ("ACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec")
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: mac80211: Check for missing VHT elements only for 5 GHz
Ilan Peer [Tue, 27 Aug 2024 08:39:20 +0000 (10:39 +0200)] 
wifi: mac80211: Check for missing VHT elements only for 5 GHz

[ Upstream commit 67bb124cd9ae38870667e4f9c876ef8e0f82ec44 ]

Check for missing VHT Capabilities and VHT Operation elements in
association response frame only for 5 GHz links.

Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240827103920.dd711282d543.Iaba245cebc52209b0499d5bab7d8a8ef1df9dd65@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: iwlwifi: mvm: allow ESR when we the ROC expires
Emmanuel Grumbach [Sun, 25 Aug 2024 16:17:11 +0000 (19:17 +0300)] 
wifi: iwlwifi: mvm: allow ESR when we the ROC expires

[ Upstream commit 76364f3edfde60aa2fa20b578ba9b96797d7bff5 ]

We forgot to release the ROC reason for ESR prevention when the remain
on channel expires.
Add this.

Fixes: a1efeb823084 ("wifi: iwlwifi: mvm: Block EMLSR when a p2p/softAP vif is active")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.8f8765f359cc.I16fcd6198072d422ff36dce68070aafaf011f4c1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: mac80211: fix the comeback long retry times
Emmanuel Grumbach [Thu, 8 Aug 2024 08:59:16 +0000 (11:59 +0300)] 
wifi: mac80211: fix the comeback long retry times

[ Upstream commit 1524173a3745899612c71d9e83ff8fe29dbb2cfb ]

When we had a comeback, we will never use the default timeout values
again because comeback is never cleared.
Clear comeback if we send another association request which will allow
to start a default timer after Tx status.

The problem was seen with iwlwifi where the tx_status on the association
request is handled before the association response frame (which is the
usual case).

1) Tx assoc request 1/3
2) Rx assoc response (comeback, timeout = 1 second)
3) wait 1 second
4) Tx assoc request 2/3
5) Set timer to IEEE80211_ASSOC_TIMEOUT_LONG = 500ms (1 second after
   round_up)
6) tx_status on frame sent in 4) is ignored because comeback is still
   true
7) AP does not reply with assoc response
8) wait 1s <= This is where the bug is felt
9) Tx assoc request 3/3

With this fix, in step 6 we will reset the timer to
IEEE80211_ASSOC_TIMEOUT_SHORT = 100ms and we will wait only 100ms in
step 8.

Fixes: b133fdf07db8 ("wifi: mac80211: Skip association timeout update after comeback rejection")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20240808085916.23519-1-emmanuel.grumbach@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: cfg80211: fix bug of mapping AF3x to incorrect User Priority
hhorace [Wed, 7 Aug 2024 08:22:05 +0000 (16:22 +0800)] 
wifi: cfg80211: fix bug of mapping AF3x to incorrect User Priority

[ Upstream commit a68b22e2905b04f376e2fa116be5e48b948f81c8 ]

According to RFC8325 4.3, Multimedia Streaming: AF31(011010, 26),
AF32(011100, 28), AF33(011110, 30) maps to User Priority = 4
and AC_VI (Video).

However, the original code remain the default three Most Significant
Bits (MSBs) of the DSCP, which makes AF3x map to User Priority = 3
and AC_BE (Best Effort).

Fixes: 6fdb8b8781d5 ("wifi: cfg80211: Update the default DSCP-to-UP mapping")
Signed-off-by: hhorace <hhoracehsu@gmail.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20240807082205.1369-1-hhoracehsu@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: iwlwifi: mvm: increase the time between ranging measurements
Avraham Stern [Mon, 29 Jul 2024 17:20:12 +0000 (20:20 +0300)] 
wifi: iwlwifi: mvm: increase the time between ranging measurements

[ Upstream commit 3a7ee94559dfd640604d0265739e86dec73b64e8 ]

The algo running in fw may take a little longer than 5 milliseconds,
(e.g. measurement on 80MHz while associated). Increase the minimum
time between measurements to 7 milliseconds.

Fixes: 830aa3e7d1ca ("iwlwifi: mvm: add support for range request command version 13")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240729201718.d3f3c26e00d9.I09e951290e8a3d73f147b88166fd9a678d1d69ed@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: iwlwifi: mvm: set the cipher for secured NDP ranging
Avraham Stern [Mon, 29 Jul 2024 17:20:11 +0000 (20:20 +0300)] 
wifi: iwlwifi: mvm: set the cipher for secured NDP ranging

[ Upstream commit a949075d4bbf1ca83ccdeaa6ef4ac2ce7526c5f4 ]

The cipher pointer is not set, but is derefereced trying to set its
content, which leads to a NULL pointer dereference.
Fix it by pointing to the cipher parameter before dereferencing.

Fixes: 626be4bf99f6 ("wifi: iwlwifi: mvm: modify iwl_mvm_ftm_set_secured_ranging() parameters")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240729201718.24e83369f136.I80501ddcb82920561f450d00020d860e7a3f90c6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: iwlwifi: config: label 'gl' devices as discrete
Johannes Berg [Mon, 29 Jul 2024 17:20:07 +0000 (20:20 +0300)] 
wifi: iwlwifi: config: label 'gl' devices as discrete

[ Upstream commit 8131dd52810dfcdb49fcdc78f5e18e1538b6c441 ]

The 'gl' devices are in the bz family, but they're not,
integrated, so should have their own trans config struct.
Fix that, also necessitating the removal of LTR config,
and while at it remove 0x2727 and 0x272D IDs that were
only used for test chips.

Fixes: c30a2a64788b ("wifi: iwlwifi: add a new PCI device ID for BZ device")ticket=none
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240729201718.95aed0620080.Ib9129512c95aa57acc9876bdff8b99dd41e1562c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: mac80211: don't use rate mask for offchannel TX either
Ping-Ke Shih [Mon, 29 Jul 2024 07:48:16 +0000 (15:48 +0800)] 
wifi: mac80211: don't use rate mask for offchannel TX either

[ Upstream commit e7a7ef9a0742dbd0818d5b15fba2c5313ace765b ]

Like the commit ab9177d83c04 ("wifi: mac80211: don't use rate mask for
scanning"), ignore incorrect settings to avoid no supported rate warning
reported by syzbot.

The syzbot did bisect and found cause is commit 9df66d5b9f45 ("cfg80211:
fix default HE tx bitrate mask in 2G band"), which however corrects
bitmask of HE MCS and recognizes correctly settings of empty legacy rate
plus HE MCS rate instead of returning -EINVAL.

As suggestions [1], follow the change of SCAN TX to consider this case of
offchannel TX as well.

[1] https://lore.kernel.org/linux-wireless/6ab2dc9c3afe753ca6fdcdd1421e7a1f47e87b84.camel@sipsolutions.net/T/#m2ac2a6d2be06a37c9c47a3d8a44b4f647ed4f024

Reported-by: syzbot+8dd98a9e98ee28dc484a@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-wireless/000000000000fdef8706191a3f7b@google.com/
Fixes: 9df66d5b9f45 ("cfg80211: fix default HE tx bitrate mask in 2G band")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240729074816.20323-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: mac80211_hwsim: correct MODULE_PARM_DESC of multi_radio
Zong-Zhe Yang [Fri, 12 Jul 2024 07:49:38 +0000 (15:49 +0800)] 
wifi: mac80211_hwsim: correct MODULE_PARM_DESC of multi_radio

[ Upstream commit 7c24c5bdf489c8f3a9c701a950126da871ebdaca ]

Correct the name field in multi_radio's MODULE_PARM_DESC.

Fixes: d2601e34a102 ("wifi: mac80211_hwsim: add support for multi-radio wiphy")
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/20240712074938.26437-1-kevin_yang@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoACPI: video: force native for Apple MacbookPro9,2
Esther Shimanovich [Tue, 6 Aug 2024 20:08:47 +0000 (20:08 +0000)] 
ACPI: video: force native for Apple MacbookPro9,2

[ Upstream commit 7dc918daaf2994963690171584ba423f28724df5 ]

It used to be that the MacbookPro9,2 used its native intel backlight
device until the following commit was introduced:

commit b1d36e73cc1c ("drm/i915: Don't register backlight when another
backlight should be used (v2)")

This commit forced this model to use its firmware acpi_video backlight
device instead.

That worked fine until an additional commit was added:

commit 92714006eb4d ("drm/i915/backlight: Do not bump min brightness
to max on enable")

That commit uncovered a bug in the MacbookPro 9,2's acpi_video
backlight firmware; the backlight does not come back up after resume.

Add DMI quirk to select the working native intel interface instead
so that the backlight successfully comes back up after resume.

Fixes: 92714006eb4d ("drm/i915/backlight: Do not bump min brightness to max on enable")
Signed-off-by: Esther Shimanovich <eshimanovich@chromium.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20240806-acpi-video-quirk-v1-1-369d8f7abc59@chromium.org
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: qat - fix "Full Going True" macro definition
Svyatoslav Pankratov [Thu, 15 Aug 2024 15:47:23 +0000 (16:47 +0100)] 
crypto: qat - fix "Full Going True" macro definition

[ Upstream commit 694a6f594817462942acbb1a35b1f7d61e2d49e7 ]

The macro `ADF_RP_INT_SRC_SEL_F_RISE_MASK` is currently set to the value
`0100b` which means "Empty Going False". This might cause an incorrect
restore of the bank state during live migration.

Fix the definition of the macro to properly represent the "Full Going
True" state which is encoded as `0011b`.

Fixes: bbfdde7d195f ("crypto: qat - add bank save and restore flows")
Signed-off-by: Svyatoslav Pankratov <svyatoslav.pankratov@intel.com>
Reviewed-by: Xin Zeng <xin.zeng@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoperf/dwc_pcie: Always register for PCIe bus notifier
Krishna chaitanya chundru [Fri, 16 Aug 2024 15:17:22 +0000 (20:47 +0530)] 
perf/dwc_pcie: Always register for PCIe bus notifier

[ Upstream commit b94b05478fb6a09033bf70c6edd03f8930a0fe24 ]

When the PCIe devices are discovered late, the driver can't find
the PCIe devices and returns in the init without registering with
the bus notifier. Due to that the devices which are discovered late
the driver can't register for this.

Register for bus notifier & driver even if the device is not found
as part of init.

Fixes: af9597adc2f1 ("drivers/perf: add DesignWare PCIe PMU driver")
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20240816-dwc_pmu_fix-v2-3-198b8ab1077c@quicinc.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoperf/dwc_pcie: Fix registration issue in multi PCIe controller instances
Krishna chaitanya chundru [Fri, 16 Aug 2024 15:17:20 +0000 (20:47 +0530)] 
perf/dwc_pcie: Fix registration issue in multi PCIe controller instances

[ Upstream commit e669388537c472142804eb5a0449cc23d5409694 ]

When there are multiple of instances of PCIe controllers, registration
to perf driver fails with this error.
sysfs: cannot create duplicate filename '/devices/platform/dwc_pcie_pmu.0'
CPU: 0 PID: 166 Comm: modprobe Not tainted 6.10.0-rc2-next-20240607-dirty
Hardware name: Qualcomm SA8775P Ride (DT)
Call trace:
 dump_backtrace.part.8+0x98/0xf0
 show_stack+0x14/0x1c
 dump_stack_lvl+0x74/0x88
 dump_stack+0x14/0x1c
 sysfs_warn_dup+0x60/0x78
 sysfs_create_dir_ns+0xe8/0x100
 kobject_add_internal+0x94/0x224
 kobject_add+0xa8/0x118
 device_add+0x298/0x7b4
 platform_device_add+0x1a0/0x228
 platform_device_register_full+0x11c/0x148
 dwc_pcie_register_dev+0x74/0xf0 [dwc_pcie_pmu]
 dwc_pcie_pmu_init+0x7c/0x1000 [dwc_pcie_pmu]
 do_one_initcall+0x58/0x1c0
 do_init_module+0x58/0x208
 load_module+0x1804/0x188c
 __do_sys_init_module+0x18c/0x1f0
 __arm64_sys_init_module+0x14/0x1c
 invoke_syscall+0x40/0xf8
 el0_svc_common.constprop.1+0x70/0xf4
 do_el0_svc+0x18/0x20
 el0_svc+0x28/0xb0
 el0t_64_sync_handler+0x9c/0xc0
 el0t_64_sync+0x160/0x164
kobject: kobject_add_internal failed for dwc_pcie_pmu.0 with -EEXIST,
don't try to register things with the same name in the same directory.

This is because of having same bdf value for devices under two different
controllers.

Update the logic to use sbdf which is a unique number in case of
multi instance also.

Fixes: af9597adc2f1 ("drivers/perf: add DesignWare PCIe PMU driver")
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20240816-dwc_pmu_fix-v2-1-198b8ab1077c@quicinc.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agodrivers/perf: Fix ali_drw_pmu driver interrupt status clearing
Jing Zhang [Thu, 22 Aug 2024 03:33:31 +0000 (11:33 +0800)] 
drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

[ Upstream commit a3dd920977dccc453c550260c4b7605b280b79c3 ]

The alibaba_uncore_pmu driver forgot to clear all interrupt status
in the interrupt processing function. After the PMU counter overflow
interrupt occurred, an interrupt storm occurred, causing the system
to hang.

Therefore, clear the correct interrupt status in the interrupt handling
function to fix it.

Fixes: cf7b61073e45 ("drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC")
Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/1724297611-20686-1-git-send-email-renyu.zj@linux.alibaba.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agothermal: core: Fix rounding of delay jiffies
Rafael J. Wysocki [Thu, 22 Aug 2024 19:47:36 +0000 (21:47 +0200)] 
thermal: core: Fix rounding of delay jiffies

[ Upstream commit 8144dbe68c493baa412d78f41a57e90a6461f6c3 ]

Using round_jiffies() in thermal_set_delay_jiffies() is invalid because
its argument should be time in the future in absolute jiffies and it
computes the result with respect to the current jiffies value at the
invocation time.  Fortunately, in the majority of cases it does not
make any difference due to the time_is_after_jiffies() check in
round_jiffies_common().

While using round_jiffies_relative() instead of round_jiffies() might
reflect the intent a bit better, it still would not be defensible
because that function should be called when the timer is about to be
set and it is not suitable for pre-computation of delay values.

Accordingly, drop thermal_set_delay_jiffies() altogether, simply
convert polling_delay and passive_delay to jiffies during thermal
zone initialization and make thermal_zone_device_set_polling() call
round_jiffies_relative() on the delay if it is greather than 1 second.

Fixes: 17d399cd9c89 ("thermal/core: Precompute the delays from msecs to jiffies")
Fixes: e5f2cda61d06 ("thermal/core: Move thermal_set_delay_jiffies to static")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://patch.msgid.link/1994438.PYKUYFuaPT@rjwysocki.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agothermal: core: Fold two functions into their respective callers
Rafael J. Wysocki [Mon, 19 Aug 2024 15:50:30 +0000 (17:50 +0200)] 
thermal: core: Fold two functions into their respective callers

[ Upstream commit a8bbe6f10f78f85243ff821432c5d798a6d99ed4 ]

Fold bind_cdev() into __thermal_cooling_device_register() and bind_tz()
into thermal_zone_device_register_with_trips() to reduce code bloat and
make it somewhat easier to follow the code flow.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://patch.msgid.link/2962184.e9J7NaK4W3@rjwysocki.net
Stable-dep-of: 8144dbe68c49 ("thermal: core: Fix rounding of delay jiffies")
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoarm64: smp: smp_send_stop() and crash_smp_send_stop() should try non-NMI first
Douglas Anderson [Wed, 21 Aug 2024 21:53:57 +0000 (14:53 -0700)] 
arm64: smp: smp_send_stop() and crash_smp_send_stop() should try non-NMI first

[ Upstream commit fdfa588124b6356cd08e5d3f0c3643c4ec3d6887 ]

When testing hard lockup handling on my sc7180-trogdor-lazor device
with pseudo-NMI enabled, with serial console enabled and with kgdb
disabled, I found that the stack crawls printed to the serial console
ended up as a jumbled mess. After rebooting, the pstore-based console
looked fine though. Also, enabling kgdb to trap the panic made the
console look fine and avoided the mess.

After a bit of tracking down, I came to the conclusion that this was
what was happening:
1. The panic path was stopping all other CPUs with
   panic_other_cpus_shutdown().
2. At least one of those other CPUs was in the middle of printing to
   the serial console and holding the console port's lock, which is
   grabbed with "irqsave". ...but since we were stopping with an NMI
   we didn't care about the "irqsave" and interrupted anyway.
3. Since we stopped the CPU while it was holding the lock it would
   never release it.
4. All future calls to output to the console would end up failing to
   get the lock in qcom_geni_serial_console_write(). This isn't
   _totally_ unexpected at panic time but it's a code path that's not
   well tested, hard to get right, and apparently doesn't work
   terribly well on the Qualcomm geni serial driver.

The Qualcomm geni serial driver was fixed to be a bit better in commit
9e957a155005 ("serial: qcom-geni: Don't cancel/abort if we can't get
the port lock") but it's nice not to get into this situation in the
first place.

Taking a page from what x86 appears to do in native_stop_other_cpus(),
do this:
1. First, try to stop other CPUs with a normal IPI and wait a second.
   This gives them a chance to leave critical sections.
2. If CPUs fail to stop then retry with an NMI, but give a much lower
   timeout since there's no good reason for a CPU not to react quickly
   to a NMI.

This works well and avoids the corrupted console and (presumably)
could help avoid other similar issues.

In order to do this, we need to do a little re-organization of our
IPIs since we don't have any more free IDs. Do what was suggested in
previous conversations and combine "stop" and "crash stop". That frees
up an IPI so now we can have a "stop" and "stop NMI".

In order to do this we also need a slight change in the way we keep
track of which CPUs still need to be stopped. We need to know
specifically which CPUs haven't stopped yet when we fall back to NMI
but in the "crash stop" case the "cpu_online_mask" isn't updated as
CPUs go down. This is why that code path had an atomic of the number
of CPUs left. Solve this by also updating the "cpu_online_mask" for
crash stops.

All of the above lets us combine the logic for "stop" and "crash stop"
code, which appeared to have a bunch of arbitrary implementation
differences.

Aside from the above change where we try a normal IPI and then an NMI,
the combined function has a few subtle differences:
* In the normal smp_send_stop(), if we fail to stop one or more CPUs
  then we won't include the current CPU (the one running
  smp_send_stop()) in the error message.
* In crash_smp_send_stop(), if we fail to stop some CPUs we'll print
  the CPUs that we failed to stop instead of printing all _but_ the
  current running CPU.
* In crash_smp_send_stop(), we will now only print "SMP: stopping
  secondary CPUs" if (system_state <= SYSTEM_RUNNING).

Fixes: d7402513c935 ("arm64: smp: IPI_CPU_STOP and IPI_CPU_CRASH_STOP should try for NMI")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240821145353.v3.1.Id4817adef610302554b8aa42b090d57270dc119c@changeid
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agokselftest/arm64: signal: fix/refactor SVE vector length enumeration
Andre Przywara [Wed, 21 Aug 2024 16:44:01 +0000 (17:44 +0100)] 
kselftest/arm64: signal: fix/refactor SVE vector length enumeration

[ Upstream commit 5225b6562b9a7dc808d5a1e465aaf5e2ebb220cd ]

Currently a number of SVE/SME related tests have almost identical
functions to enumerate all supported vector lengths. However over time
the copy&pasted code has diverged, allowing some bugs to creep in:
- fake_sigreturn_sme_change_vl reports a failure, not a SKIP if only
  one vector length is supported (but the SVE version is fine)
- fake_sigreturn_sme_change_vl tries to set the SVE vector length, not
  the SME one (but the other SME tests are fine)
- za_no_regs keeps iterating forever if only one vector length is
  supported (but za_regs is correct)

Since those bugs seem to be mostly copy&paste ones, let's consolidate
the enumeration loop into one shared function, and just call that from
each test. That should fix the above bugs, and prevent similar issues
from happening again.

Fixes: 4963aeb35a9e ("kselftest/arm64: signal: Add SME signal handling tests")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240821164401.3598545-1-andre.przywara@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: rtw89: limit the PPDU length for VHT rate to 0x40000
Chia-Yuan Li [Thu, 15 Aug 2024 13:40:54 +0000 (21:40 +0800)] 
wifi: rtw89: limit the PPDU length for VHT rate to 0x40000

[ Upstream commit 124410976bf807e76c45e36685ed8bf959229545 ]

If the PPDU length for VHT rate exceeds 0x40000, calculating the PSDU
length will overflow. TMAC will determine the length to be too small and
as a result, all packets will be sent as ZLD (Zero Length Delimiter).

Fixes: 5f7e92c59b8e ("wifi: rtw89: 8852b: set AMSDU limit to 5000")
Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240815134054.44649-1-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agopowercap: intel_rapl: Fix off by one in get_rpi()
Dan Carpenter [Tue, 20 Aug 2024 08:41:34 +0000 (11:41 +0300)] 
powercap: intel_rapl: Fix off by one in get_rpi()

[ Upstream commit 95f6580352a7225e619551febb83595bcb77ab17 ]

The rp->priv->rpi array is either rpi_msr or rpi_tpmi which have
NR_RAPL_PRIMITIVES number of elements.  Thus the > needs to be >=
to prevent an off by one access.

Fixes: 98ff639a7289 ("powercap: intel_rapl: Support per Interface primitive information")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Link: https://patch.msgid.link/86e3a059-504d-4795-a5ea-4a653f3b41f8@stanley.mountain
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros
Calvin Owens [Mon, 29 Jul 2024 16:05:51 +0000 (17:05 +0100)] 
ARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros

[ Upstream commit 89a906dfa8c3b21b3e5360f73c49234ac1eb885b ]

Floating point instructions in userspace can crash some arm kernels
built with clang/LLD 17.0.6:

    BUG: unsupported FP instruction in kernel mode
    FPEXC == 0xc0000780
    Internal error: Oops - undefined instruction: 0 [#1] ARM
    CPU: 0 PID: 196 Comm: vfp-reproducer Not tainted 6.10.0 #1
    Hardware name: BCM2835
    PC is at vfp_support_entry+0xc8/0x2cc
    LR is at do_undefinstr+0xa8/0x250
    pc : [<c0101d50>]    lr : [<c010a80c>]    psr: a0000013
    sp : dc8d1f68  ip : 60000013  fp : bedea19c
    r10: ec532b17  r9 : 00000010  r8 : 0044766c
    r7 : c0000780  r6 : ec532b17  r5 : c1c13800  r4 : dc8d1fb0
    r3 : c10072c4  r2 : c0101c88  r1 : ec532b17  r0 : 0044766c
    Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
    Control: 00c5387d  Table: 0251c008  DAC: 00000051
    Register r0 information: non-paged memory
    Register r1 information: vmalloc memory
    Register r2 information: non-slab/vmalloc memory
    Register r3 information: non-slab/vmalloc memory
    Register r4 information: 2-page vmalloc region
    Register r5 information: slab kmalloc-cg-2k
    Register r6 information: vmalloc memory
    Register r7 information: non-slab/vmalloc memory
    Register r8 information: non-paged memory
    Register r9 information: zero-size pointer
    Register r10 information: vmalloc memory
    Register r11 information: non-paged memory
    Register r12 information: non-paged memory
    Process vfp-reproducer (pid: 196, stack limit = 0x61aaaf8b)
    Stack: (0xdc8d1f68 to 0xdc8d2000)
    1f60:                   0000081f b6f69300 0000000f c10073f4 c10072c4 dc8d1fb0
    1f80: ec532b17 0c532b17 0044766c b6f9ccd8 00000000 c010a80c 00447670 60000010
    1fa0: ffffffff c1c13800 00c5387d c0100f10 b6f68af8 00448fc0 00000000 bedea188
    1fc0: bedea314 00000001 00448ebc b6f9d000 00447608 b6f9ccd8 00000000 bedea19c
    1fe0: bede9198 bedea188 b6e1061c 0044766c 60000010 ffffffff 00000000 00000000
    Call trace:
    [<c0101d50>] (vfp_support_entry) from [<c010a80c>] (do_undefinstr+0xa8/0x250)
    [<c010a80c>] (do_undefinstr) from [<c0100f10>] (__und_usr+0x70/0x80)
    Exception stack(0xdc8d1fb0 to 0xdc8d1ff8)
    1fa0:                                     b6f68af8 00448fc0 00000000 bedea188
    1fc0: bedea314 00000001 00448ebc b6f9d000 00447608 b6f9ccd8 00000000 bedea19c
    1fe0: bede9198 bedea188 b6e1061c 0044766c 60000010 ffffffff
    Code: 0a000061 e3877202 e594003c e3a09010 (eef16a10)
    ---[ end trace 0000000000000000 ]---
    Kernel panic - not syncing: Fatal exception in interrupt
    ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---

This is a minimal userspace reproducer on a Raspberry Pi Zero W:

    #include <stdio.h>
    #include <math.h>

    int main(void)
    {
            double v = 1.0;
            printf("%fn", NAN + *(volatile double *)&v);
            return 0;
    }

Another way to consistently trigger the oops is:

    calvin@raspberry-pi-zero-w ~$ python -c "import json"

The bug reproduces only when the kernel is built with DYNAMIC_DEBUG=n,
because the pr_debug() calls act as barriers even when not activated.

This is the output from the same kernel source built with the same
compiler and DYNAMIC_DEBUG=y, where the userspace reproducer works as
expected:

    VFP: bounce: trigger ec532b17 fpexc c0000780
    VFP: emulate: INST=0xee377b06 SCR=0x00000000
    VFP: bounce: trigger eef1fa10 fpexc c0000780
    VFP: emulate: INST=0xeeb40b40 SCR=0x00000000
    VFP: raising exceptions 30000000

    calvin@raspberry-pi-zero-w ~$ ./vfp-reproducer
    nan

Crudely grepping for vmsr/vmrs instructions in the otherwise nearly
idential text for vfp_support_entry() makes the problem obvious:

    vmlinux.llvm.good [0xc0101cb8] <+48>:  vmrs   r7, fpexc
    vmlinux.llvm.good [0xc0101cd8] <+80>:  vmsr   fpexc, r0
    vmlinux.llvm.good [0xc0101d20] <+152>: vmsr   fpexc, r7
    vmlinux.llvm.good [0xc0101d38] <+176>: vmrs   r4, fpexc
    vmlinux.llvm.good [0xc0101d6c] <+228>: vmrs   r0, fpscr
    vmlinux.llvm.good [0xc0101dc4] <+316>: vmsr   fpexc, r0
    vmlinux.llvm.good [0xc0101dc8] <+320>: vmrs   r0, fpsid
    vmlinux.llvm.good [0xc0101dcc] <+324>: vmrs   r6, fpscr
    vmlinux.llvm.good [0xc0101e10] <+392>: vmrs   r10, fpinst
    vmlinux.llvm.good [0xc0101eb8] <+560>: vmrs   r10, fpinst2

    vmlinux.llvm.bad  [0xc0101cb8] <+48>:  vmrs   r7, fpexc
    vmlinux.llvm.bad  [0xc0101cd8] <+80>:  vmsr   fpexc, r0
    vmlinux.llvm.bad  [0xc0101d20] <+152>: vmsr   fpexc, r7
    vmlinux.llvm.bad  [0xc0101d30] <+168>: vmrs   r0, fpscr
    vmlinux.llvm.bad  [0xc0101d50] <+200>: vmrs   r6, fpscr  <== BOOM!
    vmlinux.llvm.bad  [0xc0101d6c] <+228>: vmsr   fpexc, r0
    vmlinux.llvm.bad  [0xc0101d70] <+232>: vmrs   r0, fpsid
    vmlinux.llvm.bad  [0xc0101da4] <+284>: vmrs   r10, fpinst
    vmlinux.llvm.bad  [0xc0101df8] <+368>: vmrs   r4, fpexc
    vmlinux.llvm.bad  [0xc0101e5c] <+468>: vmrs   r10, fpinst2

I think LLVM's reordering is valid as the code is currently written: the
compiler doesn't know the instructions have side effects in hardware.

Fix by using "asm volatile" in fmxr() and fmrx(), so they cannot be
reordered with respect to each other. The original compiler now produces
working kernels on my hardware with DYNAMIC_DEBUG=n.

This is the relevant piece of the diff of the vfp_support_entry() text,
from the original oopsing kernel to a working kernel with this patch:

         vmrs r0, fpscr
         tst r0, #4096
         bne 0xc0101d48
         tst r0, #458752
         beq 0xc0101ecc
         orr r7, r7, #536870912
         ldr r0, [r4, #0x3c]
         mov r9, #16
        -vmrs r6, fpscr
         orr r9, r9, #251658240
         add r0, r0, #4
         str r0, [r4, #0x3c]
         mvn r0, #159
         sub r0, r0, #-1207959552
         and r0, r7, r0
         vmsr fpexc, r0
         vmrs r0, fpsid
        +vmrs r6, fpscr
         and r0, r0, #983040
         cmp r0, #65536
         bne 0xc0101d88

Fixes: 4708fb041346 ("ARM: vfp: Reimplement VFP exception entry in C code")
Signed-off-by: Calvin Owens <calvin@wbinvd.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agonetfilter: nf_tables: store new sets in dedicated list
Florian Westphal [Wed, 10 Jul 2024 08:58:29 +0000 (10:58 +0200)] 
netfilter: nf_tables: store new sets in dedicated list

[ Upstream commit c1aa38866b9c58dc6cf7a5fc6a3e1ca75565169e ]

nft_set_lookup_byid() is very slow when transaction becomes large, due to
walk of the transaction list.

Add a dedicated list that contains only the new sets.

Before: nft -f ruleset 0.07s user 0.00s system 0% cpu 1:04.84 total
After: nft -f ruleset 0.07s user 0.00s system 0% cpu 30.115 total

.. where ruleset contains ~10 sets with ~100k elements.
The above number is for a combined flush+reload of the ruleset.

With previous flush, even the first NEWELEM has to walk through a few
hundred thousands of DELSET(ELEM) transactions before the first NEWSET
object. To cope with random-order-newset-newsetelem we'd need to replace
commit_set_list with a hashtable.

Expectation is that a NEWELEM operation refers to the most recently added
set, so last entry of the dedicated list should be the set we want.

NB: This is not a bug fix per se (functionality is fine), but with
larger transaction batches list search takes forever, so it would be
nice to speed this up for -stable too, hence adding a "fixes" tag.

Fixes: 958bee14d071 ("netfilter: nf_tables: use new transaction infrastructure to handle sets")
Reported-by: Nadia Pinaeva <n.m.pinaeva@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoautofs: fix missing fput for FSCONFIG_SET_FD
Aleksa Sarai [Wed, 31 Jul 2024 13:10:27 +0000 (23:10 +1000)] 
autofs: fix missing fput for FSCONFIG_SET_FD

[ Upstream commit 6a64c5220c5df235448b846aeff3c0660d4cc83e ]

If you pass an fd using FSCONFIG_SET_FD, autofs_parse_fd() "steals" the
param->file and so the fs_context infrastructure will not do fput() for
us.

Fixes: e6ec453bd0f0 ("autofs: convert autofs to use the new mount api")
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
Link: https://lore.kernel.org/r/20240731-fsconfig-fsparam_fd-fixes-v2-1-e7c472224417@cyphar.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agomount: handle OOM on mnt_warn_timestamp_expiry
Olaf Hering [Tue, 30 Jul 2024 08:58:13 +0000 (10:58 +0200)] 
mount: handle OOM on mnt_warn_timestamp_expiry

[ Upstream commit 4bcda1eaf184e308f07f9c61d3a535f9ce477ce8 ]

If no page could be allocated, an error pointer was used as format
string in pr_warn.

Rearrange the code to return early in case of OOM. Also add a check
for the return value of d_path.

Fixes: f8b92ba67c5d ("mount: Add mount warning for impending timestamp expiry")
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Link: https://lore.kernel.org/r/20240730085856.32385-1-olaf@aepfle.de
[brauner: rewrite commit and commit message]
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoRISC-V: KVM: Fix to allow hpmcounter31 from the guest
Atish Patra [Fri, 16 Aug 2024 07:08:09 +0000 (00:08 -0700)] 
RISC-V: KVM: Fix to allow hpmcounter31 from the guest

[ Upstream commit 5aa09297a3dcc798d038bd7436f8c90f664045a6 ]

The csr_fun defines a count parameter which defines the total number
CSRs emulated in KVM starting from the base. This value should be
equal to total number of counters possible for trap/emulation (32).

Fixes: a9ac6c37521f ("RISC-V: KVM: Implement trap & emulate for hpmcounters")
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240816-kvm_pmu_fixes-v1-2-cdfce386dd93@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoRISC-V: KVM: Allow legacy PMU access from guest
Atish Patra [Fri, 16 Aug 2024 07:08:08 +0000 (00:08 -0700)] 
RISC-V: KVM: Allow legacy PMU access from guest

[ Upstream commit 7d1ffc8b087e97dbe1985912c7a2d00e53cea169 ]

Currently, KVM traps & emulates PMU counter access only if SBI PMU
is available as the guest can only configure/read PMU counters via
SBI only. However, if SBI PMU is not enabled in the host, the
guest will fallback to the legacy PMU which will try to access
cycle/instret and result in an illegal instruction trap which
is not desired.

KVM can allow dummy emulation of cycle/instret only for the guest
if SBI PMU is not enabled in the host. The dummy emulation will
still return zero as we don't to expose the host counter values
from a guest using legacy PMU.

Fixes: a9ac6c37521f ("RISC-V: KVM: Implement trap & emulate for hpmcounters")
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240816-kvm_pmu_fixes-v1-1-cdfce386dd93@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoRISC-V: KVM: Don't zero-out PMU snapshot area before freeing data
Anup Patel [Thu, 15 Aug 2024 17:09:07 +0000 (22:39 +0530)] 
RISC-V: KVM: Don't zero-out PMU snapshot area before freeing data

[ Upstream commit 47d40d93292d9cff8dabb735bed83d930fa03950 ]

With the latest Linux-6.11-rc3, the below NULL pointer crash is observed
when SBI PMU snapshot is enabled for the guest and the guest is forcefully
powered-off.

  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000508
  Oops [#1]
  Modules linked in: kvm
  CPU: 0 UID: 0 PID: 61 Comm: term-poll Not tainted 6.11.0-rc3-00018-g44d7178dd77a #3
  Hardware name: riscv-virtio,qemu (DT)
  epc : __kvm_write_guest_page+0x94/0xa6 [kvm]
   ra : __kvm_write_guest_page+0x54/0xa6 [kvm]
  epc : ffffffff01590e98 ra : ffffffff01590e58 sp : ffff8f80001f39b0
   gp : ffffffff81512a60 tp : ffffaf80024872c0 t0 : ffffaf800247e000
   t1 : 00000000000007e0 t2 : 0000000000000000 s0 : ffff8f80001f39f0
   s1 : 00007fff89ac4000 a0 : ffffffff015dd7e8 a1 : 0000000000000086
   a2 : 0000000000000000 a3 : ffffaf8000000000 a4 : ffffaf80024882c0
   a5 : 0000000000000000 a6 : ffffaf800328d780 a7 : 00000000000001cc
   s2 : ffffaf800197bd00 s3 : 00000000000828c4 s4 : ffffaf800248c000
   s5 : ffffaf800247d000 s6 : 0000000000001000 s7 : 0000000000001000
   s8 : 0000000000000000 s9 : 00007fff861fd500 s10: 0000000000000001
   s11: 0000000000800000 t3 : 00000000000004d3 t4 : 00000000000004d3
   t5 : ffffffff814126e0 t6 : ffffffff81412700
  status: 0000000200000120 badaddr: 0000000000000508 cause: 000000000000000d
  [<ffffffff01590e98>] __kvm_write_guest_page+0x94/0xa6 [kvm]
  [<ffffffff015943a6>] kvm_vcpu_write_guest+0x56/0x90 [kvm]
  [<ffffffff015a175c>] kvm_pmu_clear_snapshot_area+0x42/0x7e [kvm]
  [<ffffffff015a1972>] kvm_riscv_vcpu_pmu_deinit.part.0+0xe0/0x14e [kvm]
  [<ffffffff015a2ad0>] kvm_riscv_vcpu_pmu_deinit+0x1a/0x24 [kvm]
  [<ffffffff0159b344>] kvm_arch_vcpu_destroy+0x28/0x4c [kvm]
  [<ffffffff0158e420>] kvm_destroy_vcpus+0x5a/0xda [kvm]
  [<ffffffff0159930c>] kvm_arch_destroy_vm+0x14/0x28 [kvm]
  [<ffffffff01593260>] kvm_destroy_vm+0x168/0x2a0 [kvm]
  [<ffffffff015933d4>] kvm_put_kvm+0x3c/0x58 [kvm]
  [<ffffffff01593412>] kvm_vm_release+0x22/0x2e [kvm]

Clearly, the kvm_vcpu_write_guest() function is crashing because it is
being called from kvm_pmu_clear_snapshot_area() upon guest tear down.

To address the above issue, simplify the kvm_pmu_clear_snapshot_area() to
not zero-out PMU snapshot area from kvm_pmu_clear_snapshot_area() because
the guest is anyway being tore down.

The kvm_pmu_clear_snapshot_area() is also called when guest changes
PMU snapshot area of a VCPU but even in this case the previous PMU
snaphsot area must not be zeroed-out because the guest might have
reclaimed the pervious PMU snapshot area for some other purpose.

Fixes: c2f41ddbcdd7 ("RISC-V: KVM: Implement SBI PMU Snapshot feature")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20240815170907.2792229-1-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoRISC-V: KVM: Fix sbiret init before forwarding to userspace
Andrew Jones [Wed, 7 Aug 2024 15:49:44 +0000 (17:49 +0200)] 
RISC-V: KVM: Fix sbiret init before forwarding to userspace

[ Upstream commit 6b7b282e6baea06ba65b55ae7d38326ceb79cebf ]

When forwarding SBI calls to userspace ensure sbiret.error is
initialized to SBI_ERR_NOT_SUPPORTED first, in case userspace
neglects to set it to anything. If userspace neglects it then we
can't be sure it did anything else either, so we just report it
didn't do or try anything. Just init sbiret.value to zero, which is
the preferred value to return when nothing special is specified.

KVM was already initializing both sbiret.error and sbiret.value, but
the values used appear to come from a copy+paste of the __sbi_ecall()
implementation, i.e. a0 and a1, which don't apply prior to the call
being executed, nor at all when forwarding to userspace.

Fixes: dea8ee31a039 ("RISC-V: KVM: Add SBI v0.1 support")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240807154943.150540-2-ajones@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: rtw88: remove CPT execution branch never used
Dmitry Kandybka [Fri, 9 Aug 2024 08:53:10 +0000 (11:53 +0300)] 
wifi: rtw88: remove CPT execution branch never used

[ Upstream commit 77c977327dfaa9ae2e154964cdb89ceb5c7b7cf1 ]

In 'rtw_coex_action_bt_a2dp_pan', 'wl_cpt_test' and 'bt_cpt_test' are
hardcoded to false, so corresponding 'table_case' and 'tdma_case'
assignments are never met.
Also 'rtw_coex_set_rf_para(rtwdev, chip->wl_rf_para_rx[1])' is never
executed. Assuming that CPT was never fully implemented, remove
lookalike leftovers. Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 76f631cb401f ("rtw88: coex: update the mechanism for A2DP + PAN")
Signed-off-by: Dmitry Kandybka <d.kandybka@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240809085310.10512-1-d.kandybka@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent...
Ping-Ke Shih [Fri, 9 Aug 2024 07:20:09 +0000 (15:20 +0800)] 
wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading

[ Upstream commit 56310ddb50b190b3390fdc974aec455d0a516bd2 ]

The handler of firmware C2H event RTW89_MAC_C2H_FUNC_READ_WOW_CAM isn't
implemented, but driver expects number of handlers is
NUM_OF_RTW89_MAC_C2H_FUNC_WOW causing out-of-bounds access. Fix it by
removing ID.

Addresses-Coverity-ID: 1598775 ("Out-of-bounds read")

Fixes: ff53fce5c78b ("wifi: rtw89: wow: update latest PTK GTK info to mac80211 after resume")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240809072012.84152-4-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoarm64: signal: Fix some under-bracketed UAPI macros
Dave Martin [Mon, 29 Jul 2024 15:20:05 +0000 (16:20 +0100)] 
arm64: signal: Fix some under-bracketed UAPI macros

[ Upstream commit fc2220c9b15828319b09384e68399b4afc6276d9 ]

A few SME-related sigcontext UAPI macros leave an argument
unprotected from misparsing during macro expansion.

Add parentheses around references to macro arguments where
appropriate.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Fixes: ee072cf70804 ("arm64/sme: Implement signal handling for ZT")
Fixes: 39782210eb7e ("arm64/sme: Implement ZA signal handling")
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240729152005.289844-1-Dave.Martin@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agovirtio-net: synchronize probe with ndo_set_features
Jason Wang [Wed, 14 Aug 2024 05:22:28 +0000 (13:22 +0800)] 
virtio-net: synchronize probe with ndo_set_features

[ Upstream commit c392d6019398315526b0b508282f87c7b2318c72 ]

We calculate guest offloads during probe without the protection of
rtnl_lock. This lead to race between probe and ndo_set_features. Fix
this by moving the calculation under the rtnl_lock.

Fixes: 3f93522ffab2 ("virtio-net: switch off offloads on demand if possible on XDP set")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20240814052228.4654-5-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agovirtio-net: synchronize operstate with admin state on up/down
Jason Wang [Wed, 14 Aug 2024 05:22:27 +0000 (13:22 +0800)] 
virtio-net: synchronize operstate with admin state on up/down

[ Upstream commit df28de7b00502761eba62490f413c65c9b175ed9 ]

This patch synchronizes operstate with admin state per RFC2863.

This is done by trying to toggle the carrier upon open/close and
synchronize with the config change work. This allows to propagate
status correctly to stacked devices like:

ip link add link enp0s3 macvlan0 type macvlan
ip link set link enp0s3 down
ip link show

Before this patch:

3: enp0s3: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
    link/ether 00:00:05:00:00:09 brd ff:ff:ff:ff:ff:ff
......
5: macvlan0@enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
    link/ether b2:a9:c5:04:da:53 brd ff:ff:ff:ff:ff:ff

After this patch:

3: enp0s3: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
    link/ether 00:00:05:00:00:09 brd ff:ff:ff:ff:ff:ff
...
5: macvlan0@enp0s3: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 1500 qdisc noqueue state LOWERLAYERDOWN mode DEFAULT group default qlen 1000
    link/ether b2:a9:c5:04:da:53 brd ff:ff:ff:ff:ff:ff

Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Cc: Gia-Khanh Nguyen <gia-khanh.nguyen@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20240814052228.4654-4-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: c392d6019398 ("virtio-net: synchronize probe with ndo_set_features")
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agovirtio: allow driver to disable the configure change notification
Jason Wang [Wed, 14 Aug 2024 05:22:26 +0000 (13:22 +0800)] 
virtio: allow driver to disable the configure change notification

[ Upstream commit 224de6f886f8184fd448700a6d78f216694de948 ]

Sometime, it would be useful to disable the configure change
notification from the driver. So this patch allows this by introducing
a variable config_change_driver_disabled and only allow the configure
change notification callback to be triggered when it is allowed by
both the virtio core and the driver. It is set to false by default to
hold the current semantic so we don't need to change any drivers.

The first user for this would be virtio-net.

Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Cc: Gia-Khanh Nguyen <gia-khanh.nguyen@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20240814052228.4654-3-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: c392d6019398 ("virtio-net: synchronize probe with ndo_set_features")
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agovirtio: rename virtio_config_enabled to virtio_config_core_enabled
Jason Wang [Wed, 14 Aug 2024 05:22:25 +0000 (13:22 +0800)] 
virtio: rename virtio_config_enabled to virtio_config_core_enabled

[ Upstream commit 0cb70ee4a6ee6b0a4b0e0f70a64a094c6fe05944 ]

Following patch will allow the config interrupt to be disabled by a
specific driver via another boolean. So this patch renames
virtio_config_enabled and relevant helpers to
virtio_config_core_enabled.

Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Cc: Gia-Khanh Nguyen <gia-khanh.nguyen@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20240814052228.4654-2-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: c392d6019398 ("virtio-net: synchronize probe with ndo_set_features")
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agonet: stmmac: dwmac-loongson: Init ref and PTP clocks rate
Yanteng Si [Wed, 7 Aug 2024 13:48:02 +0000 (21:48 +0800)] 
net: stmmac: dwmac-loongson: Init ref and PTP clocks rate

[ Upstream commit c70f3163681381c15686bdd2fe56bf4af9b8aaaa ]

Reference and PTP clocks rate of the Loongson GMAC devices is 125MHz.
(So is in the GNET devices which support is about to be added.) Set
the respective plat_stmmacenet_data field up in accordance with that
so to have the coalesce command and timestamping work correctly.

Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson")
Signed-off-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Yinggang Gu <guyinggang@loongson.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: x86/aes-gcm - fix PREEMPT_RT issue in gcm_crypt()
Eric Biggers [Mon, 5 Aug 2024 18:27:13 +0000 (11:27 -0700)] 
crypto: x86/aes-gcm - fix PREEMPT_RT issue in gcm_crypt()

[ Upstream commit 001412493e74d89166d2441b622eeaea00511bdc ]

On PREEMPT_RT, kfree() takes sleeping locks and must not be called with
preemption disabled.  Therefore, on PREEMPT_RT skcipher_walk_done() must
not be called from within a kernel_fpu_{begin,end}() pair, even when
it's the last call which is guaranteed to not allocate memory.

Therefore, move the last skcipher_walk_done() in gcm_crypt() to the end
of the function so that it goes after the kernel_fpu_end().  To make
this work cleanly, rework the data processing loop to handle only
non-last data segments.

Fixes: b06affb1cb58 ("crypto: x86/aes-gcm - add VAES and AVX512 / AVX10 optimized AES-GCM")
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Closes: https://lore.kernel.org/linux-crypto/20240802102333.itejxOsJ@linutronix.de
Signed-off-by: Eric Biggers <ebiggers@google.com>
Tested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agohwrng: cn10k - Enable by default CN10K driver if Thunder SoC is enabled
Francesco Dolcini [Mon, 29 Jul 2024 11:36:40 +0000 (13:36 +0200)] 
hwrng: cn10k - Enable by default CN10K driver if Thunder SoC is enabled

[ Upstream commit 9d3a7ff2ce1781a77ad6f8896e1256875c17631e ]

Before commit addea5858b66 ("hwrng: Kconfig - Do not enable by default
CN10K driver") the Marvell CN10K Random Number Generator was always
enabled when HW_RANDOM was enabled.

This was changed with that commit to prevent having this driver being
always enabled on arm64. To prevent introducing regression with some old
defconfig enable the driver when ARCH_THUNDER is enabled.

Fixes: addea5858b66 ("hwrng: Kconfig - Do not enable by default CN10K driver")
Closes: https://lore.kernel.org/all/SN7PR18MB53144B37B82ADEEC5D35AE0CE3AC2@SN7PR18MB5314.namprd18.prod.outlook.com/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: ath12k: fix invalid AMPDU factor calculation in ath12k_peer_assoc_h_he()
Baochen Qiang [Wed, 10 Jul 2024 02:18:19 +0000 (10:18 +0800)] 
wifi: ath12k: fix invalid AMPDU factor calculation in ath12k_peer_assoc_h_he()

[ Upstream commit a66de2d0f22b1740f3f9777776ad98c4bee62dff ]

Currently ampdu_factor is wrongly calculated in ath12k_peer_assoc_h_he(), fix it.

This is found during code review.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4

Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240710021819.87216-1-quic_bqiang@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: ath12k: match WMI BSS chan info structure with firmware definition
P Praneesh [Sun, 31 Mar 2024 18:32:32 +0000 (00:02 +0530)] 
wifi: ath12k: match WMI BSS chan info structure with firmware definition

[ Upstream commit dd98d54db29fb553839f43ade5f547baa93392c8 ]

struct wmi_pdev_bss_chan_info_event is not similar to the firmware
struct definition, this will cause some random failures.

Fix by matching the struct wmi_pdev_bss_chan_info_event with the
firmware structure definition.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Karthikeyan Kathirvel <quic_kathirve@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240331183232.2158756-3-quic_kathirve@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: ath12k: fix BSS chan info request WMI command
P Praneesh [Sun, 31 Mar 2024 18:32:31 +0000 (00:02 +0530)] 
wifi: ath12k: fix BSS chan info request WMI command

[ Upstream commit 59529c982f85047650fd473db903b23006a796c6 ]

Currently, the firmware returns incorrect pdev_id information in
WMI_PDEV_BSS_CHAN_INFO_EVENTID, leading to incorrect filling of
the pdev's survey information.

To prevent this issue, when requesting BSS channel information
through WMI_PDEV_BSS_CHAN_INFO_REQUEST_CMDID, firmware expects
pdev_id as one of the arguments in this WMI command.

Add pdev_id to the struct wmi_pdev_bss_chan_info_req_cmd and fill it
during ath12k_wmi_pdev_bss_chan_info_request(). This resolves the
issue of sending the correct pdev_id in WMI_PDEV_BSS_CHAN_INFO_EVENTID.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Karthikeyan Kathirvel <quic_kathirve@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240331183232.2158756-2-quic_kathirve@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: ath9k: Remove error checks when creating debugfs entries
Toke Høiland-Jørgensen [Mon, 5 Aug 2024 11:02:22 +0000 (13:02 +0200)] 
wifi: ath9k: Remove error checks when creating debugfs entries

[ Upstream commit f6ffe7f0184792c2f99aca6ae5b916683973d7d3 ]

We should not be checking the return values from debugfs creation at all: the
debugfs functions are designed to handle errors of previously called functions
and just transparently abort the creation of debugfs entries when debugfs is
disabled. If we check the return value and abort driver initialisation, we break
the driver if debugfs is disabled (such as when booting with debugfs=off).

Earlier versions of ath9k accidentally did the right thing by checking the
return value, but only for NULL, not for IS_ERR(). This was "fixed" by the two
commits referenced below, breaking ath9k with debugfs=off starting from the 6.6
kernel (as reported in the Bugzilla linked below).

Restore functionality by just getting rid of the return value check entirely.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=219122
Fixes: 1e4134610d93 ("wifi: ath9k: use IS_ERR() with debugfs_create_dir()")
Fixes: 6edb4ba6fb5b ("wifi: ath9k: fix parameter check in ath9k_init_debug()")
Reported-by: Daniel Tobias <dan.g.tob@gmail.com>
Tested-by: Daniel Tobias <dan.g.tob@gmail.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240805110225.19690-1-toke@toke.dk
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: brcmfmac: introducing fwil query functions
Arend van Spriel [Sat, 27 Jul 2024 18:56:17 +0000 (20:56 +0200)] 
wifi: brcmfmac: introducing fwil query functions

[ Upstream commit c6002b6c05f3edfa12fd25990cc637281f200442 ]

When the firmware interface layer was refactored it provided various
"get" and "set" functions. For the "get" in some cases a parameter
needed to be passed down to firmware as a key indicating what to
"get" turning the output parameter of the "get" function into an
input parameter as well. To accommodate this the "get" function blindly
copies the parameter which in some places resulted in an uninitialized
warnings from the compiler. These have been fixed by initializing the
input parameter in the past. Recently another batch of similar fixes
were submitted to address clang static checker warnings [1].

Proposing another solution by introducing a "query" variant which is used
when the (input) parameter is needed by firmware. The "get" variant will
only fill the (output) parameter with the result received from firmware
taking care of proper endianess conversion.

[1] https://lore.kernel.org/all/20240702122450.2213833-1-suhui@nfschina.com/

Fixes: 81f5dcb80830 ("brcmfmac: refactor firmware interface layer.")
Reported-by: Su Hui <suhui@nfschina.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240727185617.253210-1-arend.vanspriel@broadcom.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoeth: fbnic: select DEVLINK and PAGE_POOL
Simon Horman [Fri, 2 Aug 2024 15:43:17 +0000 (16:43 +0100)] 
eth: fbnic: select DEVLINK and PAGE_POOL

[ Upstream commit 9a95b7a89dffae5f1e99dd73748f144fec820292 ]

Build bot reports undefined references to devlink functions.
And local testing revealed undefined references to page_pool functions.

Based on a patch by Jakub Kicinski <kuba@kernel.org>

Fixes: 1a9d48892ea5 ("eth: fbnic: Allocate core device specific structures and devlink interface")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408011219.hiPmwwAs-lkp@intel.com/
Signed-off-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240802-fbnic-select-v2-1-41f82a3e0178@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoACPI: PMIC: Remove unneeded check in tps68470_pmic_opregion_probe()
Aleksandr Mishin [Tue, 30 Jul 2024 22:53:39 +0000 (01:53 +0300)] 
ACPI: PMIC: Remove unneeded check in tps68470_pmic_opregion_probe()

[ Upstream commit 07442c46abad1d50ac82af5e0f9c5de2732c4592 ]

In tps68470_pmic_opregion_probe() pointer 'dev' is compared to NULL which
is useless.

Fix this issue by removing unneeded check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: e13452ac3790 ("ACPI / PMIC: Add TI PMIC TPS68470 operation region driver")
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://patch.msgid.link/20240730225339.13165-1-amishin@t-argos.ru
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: iaa - Fix potential use after free bug
Dan Carpenter [Wed, 24 Jul 2024 16:09:43 +0000 (11:09 -0500)] 
crypto: iaa - Fix potential use after free bug

[ Upstream commit e0d3b845a1b10b7b5abdad7ecc69d45b2aab3209 ]

The free_device_compression_mode(iaa_device, device_mode) function frees
"device_mode" but it iss passed to iaa_compression_modes[i]->free() a few
lines later resulting in a use after free.

The good news is that, so far as I can tell, nothing implements the
->free() function and the use after free happens in dead code.  But, with
this fix, when something does implement it, we'll be ready.  :)

Fixes: b190447e0fa3 ("crypto: iaa - Add compression mode management along with fixed mode")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: qat - ensure correct order in VF restarting handler
Michal Witwicki [Wed, 17 Jul 2024 11:44:59 +0000 (07:44 -0400)] 
crypto: qat - ensure correct order in VF restarting handler

[ Upstream commit cd8d2d74292c199b433ef77762bb1d28a4821784 ]

In the process of sending the ADF_PF2VF_MSGTYPE_RESTARTING message to
Virtual Functions (VFs), the Physical Function (PF) should set the
`vf->restarting` flag to true before dispatching the message.
This change is necessary to prevent a race condition where the handling
of the ADF_VF2PF_MSGTYPE_RESTARTING_COMPLETE message (which sets the
`vf->restarting` flag to false) runs immediately after the message is sent,
but before the flag is set to true.

Set the `vf->restarting` to true before sending the message
ADF_PF2VF_MSGTYPE_RESTARTING, if supported by the version of the
protocol and if the VF is started.

Fixes: ec26f8e6c784 ("crypto: qat - update PFVF protocol for recovery")
Signed-off-by: Michal Witwicki <michal.witwicki@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: qat - fix recovery flow for VFs
Michal Witwicki [Wed, 17 Jul 2024 11:44:58 +0000 (07:44 -0400)] 
crypto: qat - fix recovery flow for VFs

[ Upstream commit 6f1b5236348fced7e7691a933327694b4106bc39 ]

When the PFVF protocol was updated to support version 5, i.e.
ADF_PFVF_COMPAT_FALLBACK, the compatibility version for the VF was
updated without supporting the message RESTARTING_COMPLETE required for
such version.

Add support for the ADF_VF2PF_MSGTYPE_RESTARTING_COMPLETE message in the
VF drivers. This message is sent by the VF driver to the PF to notify
the completion of the shutdown flow.

Fixes: ec26f8e6c784 ("crypto: qat - update PFVF protocol for recovery")
Signed-off-by: Michal Witwicki <michal.witwicki@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: qat - disable IOV in adf_dev_stop()
Michal Witwicki [Wed, 17 Jul 2024 11:44:57 +0000 (07:44 -0400)] 
crypto: qat - disable IOV in adf_dev_stop()

[ Upstream commit b6c7d36292d50627dbe6a57fa344f87c776971e6 ]

Disabling IOV has the side effect of re-enabling the AEs that might
attempt to do DMAs into the heartbeat buffers.
Move the disable_iov() function in adf_dev_stop() before the AEs are
stopped.

Fixes: ed8ccaef52fa ("crypto: qat - Add support for SRIOV")
Signed-off-by: Michal Witwicki <michal.witwicki@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agocrypto: xor - fix template benchmarking
Helge Deller [Mon, 8 Jul 2024 12:24:52 +0000 (14:24 +0200)] 
crypto: xor - fix template benchmarking

[ Upstream commit ab9a244c396aae4aaa34b2399b82fc15ec2df8c1 ]

Commit c055e3eae0f1 ("crypto: xor - use ktime for template benchmarking")
switched from using jiffies to ktime-based performance benchmarking.

This works nicely on machines which have a fine-grained ktime()
clocksource as e.g. x86 machines with TSC.
But other machines, e.g. my 4-way HP PARISC server, don't have such
fine-grained clocksources, which is why it seems that 800 xor loops
take zero seconds, which then shows up in the logs as:

 xor: measuring software checksum speed
    8regs           : -1018167296 MB/sec
    8regs_prefetch  : -1018167296 MB/sec
    32regs          : -1018167296 MB/sec
    32regs_prefetch : -1018167296 MB/sec

Fix this with some small modifications to the existing code to improve
the algorithm to always produce correct results without introducing
major delays for architectures with a fine-grained ktime()
clocksource:
a) Delay start of the timing until ktime() just advanced. On machines
with a fast ktime() this should be just one additional ktime() call.
b) Count the number of loops. Run at minimum 800 loops and finish
earliest when the ktime() counter has progressed.

With that the throughput can now be calculated more accurately under all
conditions.

Fixes: c055e3eae0f1 ("crypto: xor - use ktime for template benchmarking")
Signed-off-by: Helge Deller <deller@gmx.de>
Tested-by: John David Anglin <dave.anglin@bell.net>
v2:
- clean up coding style (noticed & suggested by Herbert Xu)
- rephrased & fixed typo in commit message

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: rtw88: always wait for both firmware loading attempts
Dmitry Antipov [Fri, 26 Jul 2024 11:46:57 +0000 (14:46 +0300)] 
wifi: rtw88: always wait for both firmware loading attempts

[ Upstream commit 0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d ]

In 'rtw_wait_firmware_completion()', always wait for both (regular and
wowlan) firmware loading attempts. Otherwise if 'rtw_usb_intf_init()'
has failed in 'rtw_usb_probe()', 'rtw_usb_disconnect()' may issue
'ieee80211_free_hw()' when one of 'rtw_load_firmware_cb()' (usually
the wowlan one) is still in progress, causing UAF detected by KASAN.

Fixes: c8e5695eae99 ("rtw88: load wowlan firmware if wowlan is supported")
Reported-by: syzbot+6c6c08700f9480c41fe3@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=6c6c08700f9480c41fe3
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240726114657.25396-1-dmantipov@yandex.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoEDAC/synopsys: Fix error injection on Zynq UltraScale+
Shubhrajyoti Datta [Thu, 11 Jul 2024 10:06:56 +0000 (15:36 +0530)] 
EDAC/synopsys: Fix error injection on Zynq UltraScale+

[ Upstream commit 35e6dbfe1846caeafabb49b7575adb36b0aa2269 ]

The Zynq UltraScale+ MPSoC DDR has a disjoint memory from 2GB to 32GB.
The DDR host interface has a contiguous memory so while injecting
errors, the driver should remove the hole else the injection fails as
the address translation is incorrect.

Introduce a get_mem_info() function pointer and set it for Zynq
UltraScale+ platform to return host address.

Fixes: 1a81361f75d8 ("EDAC, synopsys: Add Error Injection support for ZynqMP DDR controller")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240711100656.31376-1-shubhrajyoti.datta@amd.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agowifi: ath11k: use work queue to process beacon tx event
Kang Yang [Wed, 3 Jul 2024 14:40:49 +0000 (17:40 +0300)] 
wifi: ath11k: use work queue to process beacon tx event

[ Upstream commit 177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3 ]

Commit 3a415daa3e8b ("wifi: ath11k: add P2P IE in beacon template")
from Feb 28, 2024 (linux-next), leads to the following Smatch static
checker warning:

drivers/net/wireless/ath/ath11k/wmi.c:1742 ath11k_wmi_p2p_go_bcn_ie()
warn: sleeping in atomic context

The reason is that ath11k_bcn_tx_status_event() will directly call might
sleep function ath11k_wmi_cmd_send() during RCU read-side critical
sections. The call trace is like:

ath11k_bcn_tx_status_event()
-> rcu_read_lock()
-> ath11k_mac_bcn_tx_event()
-> ath11k_mac_setup_bcn_tmpl()
……
-> ath11k_wmi_bcn_tmpl()
-> ath11k_wmi_cmd_send()
-> rcu_read_unlock()

Commit 886433a98425 ("ath11k: add support for BSS color change") added the
ath11k_mac_bcn_tx_event(), commit 01e782c89108 ("ath11k: fix warning
of RCU usage for ath11k_mac_get_arvif_by_vdev_id()") added the RCU lock
to avoid warning but also introduced this BUG.

Use work queue to avoid directly calling ath11k_mac_bcn_tx_event()
during RCU critical sections. No need to worry about the deletion of vif
because cancel_work_sync() will drop the work if it doesn't start or
block vif deletion until the running work is done.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30

Fixes: 3a415daa3e8b ("wifi: ath11k: add P2P IE in beacon template")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/2d277abd-5e7b-4da0-80e0-52bd96337f6e@moroto.mountain/
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240626053543.1946-1-quic_kangyang@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoLinux 6.11.1 v6.11.1
Greg Kroah-Hartman [Mon, 30 Sep 2024 14:31:09 +0000 (16:31 +0200)] 
Linux 6.11.1

Link: https://lore.kernel.org/r/20240927121715.213013166@linuxfoundation.org
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Christian Heusel <christian@heusel.eu>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Allen Pais <apais@linux.microsoft.com>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Kexy Biscuit <kexybiscuit@aosc.io>
Tested-by: kernelci.org bot <bot@kernelci.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agopowercap: intel_rapl: Change an error pointer to NULL
Dan Carpenter [Fri, 23 Aug 2024 12:51:36 +0000 (15:51 +0300)] 
powercap: intel_rapl: Change an error pointer to NULL

commit 6b08b4ee5e60d8789aeb87250f718ef14bebb90e upstream.

The rapl_find_package_domain_cpuslocked() function is supposed to
return NULL on error.

This new error patch returns ERR_PTR(-EINVAL) but none of the callers
check for that so it would lead to an Oops.

Fixes: 26096aed255f ("powercap/intel_rapl: Fix the energy-pkg event for AMD CPUs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/fa719c6a-8d3b-4cca-9b43-bcd477ff6655@stanley.mountain
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agoUSB: usbtmc: prevent kernel-usb-infoleak
Edward Adam Davis [Sun, 8 Sep 2024 09:17:41 +0000 (17:17 +0800)] 
USB: usbtmc: prevent kernel-usb-infoleak

commit 625fa77151f00c1bd00d34d60d6f2e710b3f9aad upstream.

The syzbot reported a kernel-usb-infoleak in usbtmc_write,
we need to clear the structure before filling fields.

Fixes: 4ddc645f40e9 ("usb: usbtmc: Add ioctl for vendor specific write")
Reported-and-tested-by: syzbot+9d34f80f841e948c3fdb@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=9d34f80f841e948c3fdb
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/tencent_9649AA6EC56EDECCA8A7D106C792D1C66B06@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agoUSB: serial: pl2303: add device id for Macrosilicon MS3020
Junhao Xie [Tue, 3 Sep 2024 15:06:38 +0000 (23:06 +0800)] 
USB: serial: pl2303: add device id for Macrosilicon MS3020

commit 7d47d22444bb7dc1b6d768904a22070ef35e1fc0 upstream.

Add the device id for the Macrosilicon MS3020 which is a
PL2303HXN based device.

Signed-off-by: Junhao Xie <bigfoot@classfun.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agonvme-pci: qdepth 1 quirk
Keith Busch [Wed, 11 Sep 2024 17:39:59 +0000 (10:39 -0700)] 
nvme-pci: qdepth 1 quirk

commit 83bdfcbdbe5d901c5fa432decf12e1725a840a56 upstream.

Another device has been reported to be unreliable if we have more than
one outstanding command. In this new case, data corruption may occur.
Since we have two devices now needing this quirky behavior, make a
generic quirk flag.

The same Apple quirk is clearly not "temporary", so update the comment
while moving it.

Link: https://lore.kernel.org/linux-nvme/191d810a4e3.fcc6066c765804.973611676137075390@collabora.com/
Reported-by: Robert Beckett <bob.beckett@collabora.com>
Reviewed-by: Christoph Hellwig hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Cc: "Gagniuc, Alexandru" <alexandru.gagniuc@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agoASoC: amd: acp: add ZSC control register programming sequence
Vijendar Mukunda [Wed, 7 Aug 2024 08:51:48 +0000 (14:21 +0530)] 
ASoC: amd: acp: add ZSC control register programming sequence

commit c35fad6f7e0d69b0e9e7e196bdbca3ed03ac24ea upstream.

Add ZSC Control register programming sequence for ACP D0 and D3 state
transitions for ACP7.0 onwards. This will allow ACP to enter low power
state when ACP enters D3 state. When ACP enters D0 State, ZSC control
should be disabled.

Tested-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20240807085154.1987681-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agoBluetooth: btintel_pcie: Allocate memory for driver private data
Kiran K [Thu, 12 Sep 2024 10:51:00 +0000 (16:21 +0530)] 
Bluetooth: btintel_pcie: Allocate memory for driver private data

commit 7ffaa200251871980af12e57649ad57c70bf0f43 upstream.

Fix driver not allocating memory for struct btintel_data which is used
to store internal data.

Fixes: 6e65a09f9275 ("Bluetooth: btintel_pcie: Add *setup* function to download firmware")
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Thomas Leroy <thomas.leroy@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agonetfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()
Dan Carpenter [Sat, 14 Sep 2024 09:56:51 +0000 (12:56 +0300)] 
netfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()

commit 7052622fccb1efb850c6b55de477f65d03525a30 upstream.

The cgroup_get_from_path() function never returns NULL, it returns error
pointers.  Update the error handling to match.

Fixes: 7f3287db6543 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://patch.msgid.link/bbc0c4e0-05cc-4f44-8797-2f4b3920a820@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14 months agocpufreq/amd-pstate: Add the missing cpufreq_cpu_put()
Dhananjay Ugwekar [Fri, 9 Aug 2024 06:08:16 +0000 (06:08 +0000)] 
cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()

[ Upstream commit 49243adc715e6ae34d6cc003827e63bcf5b3a21d ]

Fix the reference counting of cpufreq_policy object in amd_pstate_update()
function by adding the missing cpufreq_cpu_put().

Fixes: e8f555daacd3 ("cpufreq/amd-pstate: fix setting policy current frequency value")
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agopowercap/intel_rapl: Fix the energy-pkg event for AMD CPUs
Dhananjay Ugwekar [Tue, 30 Jul 2024 04:49:19 +0000 (04:49 +0000)] 
powercap/intel_rapl: Fix the energy-pkg event for AMD CPUs

[ Upstream commit 26096aed255fbac9501718174dbb24c935d8854e ]

After commit ("x86/cpu/topology: Add support for the AMD 0x80000026 leaf"),
on AMD processors that support extended CPUID leaf 0x80000026, the
topology_logical_die_id() macros, no longer returns package id, instead it
returns the CCD (Core Complex Die) id. This leads to the energy-pkg
event scope to be modified to CCD instead of package.

For more historical context, please refer to commit 32fb480e0a2c
("powercap/intel_rapl: Support multi-die/package"), which initially changed
the RAPL scope from package to die for all systems, as Intel systems
with Die enumeration have RAPL scope as die, and those without die
enumeration are not affected. So, all systems(Intel, AMD, Hygon), worked
correctly with topology_logical_die_id() until recently, but this changed
after the "0x80000026 leaf" commit mentioned above.

Future multi-die Intel systems will have package scope RAPL counters,
but they will be using TPMI RAPL interface, which is not affected by
this change.

Replacing topology_logical_die_id() with topology_physical_package_id()
conditionally only for AMD and Hygon fixes the energy-pkg event.

On an AMD 2 socket 8 CCD Zen4 server:

Before:

linux$ ls /sys/class/powercap/
intel-rapl      intel-rapl:4    intel-rapl:8:0  intel-rapl:d
intel-rapl:0    intel-rapl:4:0  intel-rapl:9    intel-rapl:d:0
intel-rapl:0:0  intel-rapl:5    intel-rapl:9:0  intel-rapl:e
intel-rapl:1    intel-rapl:5:0  intel-rapl:a    intel-rapl:e:0
intel-rapl:1:0  intel-rapl:6    intel-rapl:a:0  intel-rapl:f
intel-rapl:2    intel-rapl:6:0  intel-rapl:b    intel-rapl:f:0
intel-rapl:2:0  intel-rapl:7    intel-rapl:b:0
intel-rapl:3    intel-rapl:7:0  intel-rapl:c
intel-rapl:3:0  intel-rapl:8    intel-rapl:c:0

After:

linux$ ls /sys/class/powercap/
intel-rapl  intel-rapl:0  intel-rapl:0:0  intel-rapl:1  intel-rapl:1:0

Only one sysfs entry per-event per-package is created after this change.

Fixes: 63edbaa48a57 ("x86/cpu/topology: Add support for the AMD 0x80000026 leaf")
Reported-by: Michael Larabel <michael@michaellarabel.com>
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Link: https://patch.msgid.link/20240730044917.4680-3-Dhananjay.Ugwekar@amd.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agopowercap/intel_rapl: Add support for AMD family 1Ah
Dhananjay Ugwekar [Fri, 19 Jul 2024 10:12:35 +0000 (10:12 +0000)] 
powercap/intel_rapl: Add support for AMD family 1Ah

[ Upstream commit 166df51097a258a14fe9e946e2157f3b75eeb3c2 ]

AMD Family 1Ah's RAPL MSRs are identical to Family 19h's,
extend Family 19h's support to Family 1Ah.

Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Link: https://patch.msgid.link/20240719101234.50827-1-Dhananjay.Ugwekar@amd.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agodrm: Expand max DRM device number to full MINORBITS
Michał Winiarski [Fri, 23 Aug 2024 16:30:48 +0000 (18:30 +0200)] 
drm: Expand max DRM device number to full MINORBITS

[ Upstream commit 071d583e01c88272f6ff216d4f867f8f35e94d7d ]

Having a limit of 64 DRM devices is not good enough for modern world
where we have multi-GPU servers, SR-IOV virtual functions and virtual
devices used for testing.
Let's utilize full minor range for DRM devices.
To avoid regressing the existing userspace, we're still maintaining the
numbering scheme where 0-63 is used for primary, 64-127 is reserved
(formerly for control) and 128-191 is used for render.
For minors >= 192, we're allocating minors dynamically on a first-come,
first-served basis.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-4-michal.winiarski@intel.com
Acked-by: James Zhu <James.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agoaccel: Use XArray instead of IDR for minors
Michał Winiarski [Fri, 23 Aug 2024 16:30:47 +0000 (18:30 +0200)] 
accel: Use XArray instead of IDR for minors

[ Upstream commit 45c4d994b82b08f0ce5eb50f8da29379c92a391e ]

Accel minor management is based on DRM (and is also using struct
drm_minor internally), since DRM is using XArray for minors, it makes
sense to also convert accel.
As the two implementations are identical (only difference being the
underlying xarray), move the accel_minor_* functionality to DRM.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Acked-by: James Zhu <James.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-3-michal.winiarski@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
14 months agodrm: Use XArray instead of IDR for minors
Michał Winiarski [Fri, 23 Aug 2024 16:30:46 +0000 (18:30 +0200)] 
drm: Use XArray instead of IDR for minors

[ Upstream commit 5fbca8b48b3050ae7fb611a8b09af60012ed6de1 ]

IDR is deprecated, and since XArray manages its own state with internal
locking, it simplifies the locking on DRM side.
Additionally, don't use the IRQ-safe variant, since operating on drm
minor is not done in IRQ context.

Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Acked-by: James Zhu <James.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823163048.2676257-2-michal.winiarski@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
15 months agoLinux 6.11 v6.11
Linus Torvalds [Sun, 15 Sep 2024 14:57:56 +0000 (16:57 +0200)] 
Linux 6.11

15 months agoMerge tag 'for-linus-6.11' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Sun, 15 Sep 2024 07:35:50 +0000 (09:35 +0200)] 
Merge tag 'for-linus-6.11' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fix from Paolo Bonzini:
 "Do not always honor guest PAT on CPUs that support self-snoop.

  This triggers an issue in the bochsdrm driver, which used ioremap()
  instead of ioremap_wc() to map the video RAM.

  The revert lets video RAM use the WB memory type instead of the slower
  UC memory type"

* tag 'for-linus-6.11' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"

15 months agoRevert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"
Paolo Bonzini [Sun, 15 Sep 2024 06:49:33 +0000 (02:49 -0400)] 
Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"

This reverts commit 377b2f359d1f71c75f8cc352b5c81f2210312d83.

This caused a regression with the bochsdrm driver, which used ioremap()
instead of ioremap_wc() to map the video RAM.  After the commit, the
WB memory type is used without the IGNORE_PAT, resulting in the slower
UC memory type.  In fact, UC is slow enough to basically cause guests
to not boot... but only on new processors such as Sapphire Rapids and
Cascade Lake.  Coffee Lake for example works properly, though that might
also be an effect of being on a larger, more NUMA system.

The driver has been fixed but that does not help older guests.  Until we
figure out whether Cascade Lake and newer processors are working as
intended, revert the commit.  Long term we might add a quirk, but the
details depend on whether the processors are working as intended: for
example if they are, the quirk might reference bochs-compatible devices,
e.g. in the name and documentation, so that userspace can disable the
quirk by default and only leave it enabled if such a device is being
exposed to the guest.

If instead this is actually a bug in CLX+, then the actions we need to
take are different and depend on the actual cause of the bug.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
15 months agoMerge tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Sat, 14 Sep 2024 14:58:02 +0000 (16:58 +0200)] 
Merge tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:

 - One Intel patch that I mistakenly merged into for-next despite it
   belonging in fixes: add Arrow Lake-H/U ACPI ID so this Arrow Lake
   chip probes.

 - One fix making the CY895x0 reg cache work, which is good because it
   makes the device work too.

* tag 'pinctrl-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: pinctrl-cy8c95x0: Fix regcache
  pinctrl: meteorlake: Add Arrow Lake-H/U ACPI ID

15 months agoMerge tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Sat, 14 Sep 2024 09:54:24 +0000 (11:54 +0200)] 
Merge tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few last-minute ASoC fixes and MAINTAINERS update.

  All look small, obvious and nice-to-have fixes for 6.11-final"

* tag 'sound-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: meson: axg-card: fix 'use-after-free'
  ASoC: codecs: avoid possible garbage value in peb2466_reg_read()
  MAINTAINERS: update Pierre Bossart's email and role
  ASoC: tas2781: fix to save the dsp bin file name into the correct array in case name_prefix is not NULL
  ASoC: Intel: soc-acpi-intel-mtl-match: add missing empty item
  ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item

15 months agoMerge tag '6.11-rc7-SMB3-client-fix' of git://git.samba.org/sfrench/cifs-2.6
Linus Torvalds [Sat, 14 Sep 2024 09:43:24 +0000 (11:43 +0200)] 
Merge tag '6.11-rc7-SMB3-client-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fix from Steve French:
 "Fix for packet signing of write"

* tag '6.11-rc7-SMB3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix signature miscalculation

15 months agoMerge tag 'asoc-fix-v6.11-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git...
Takashi Iwai [Sat, 14 Sep 2024 07:09:11 +0000 (09:09 +0200)] 
Merge tag 'asoc-fix-v6.11-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.11

A few last minute fixes, plus an update for Pierre's contact details and
status.  It'd be good to get these into v6.11 (especially the
MAINTAINERS update) but it wouldn't be the end of the world if they
waited for the merge window, none of them are super remarkable and it's
just a question of timing that they're last minute.

15 months agoMerge tag 'pci-v6.11-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Linus Torvalds [Fri, 13 Sep 2024 21:10:17 +0000 (14:10 -0700)] 
Merge tag 'pci-v6.11-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fix from Bjorn Helgaas:

 - Prevent a possible deadlock (reported by lockdep) when a driver
   relinquishes a pci_dev, another driver claims it, and one uses
   managed pcim_enable_device() and the other doesn't (Philipp Stanner)

* tag 'pci-v6.11-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI: Fix potential deadlock in pcim_intx()

15 months agoMerge tag 'spi-fix-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brooni...
Linus Torvalds [Fri, 13 Sep 2024 18:46:05 +0000 (11:46 -0700)] 
Merge tag 'spi-fix-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few last minute fixes for v6.11, they're all individually
  unremarkable and only last minute due to when they came in"

* tag 'spi-fix-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: nxp-fspi: fix the KASAN report out-of-bounds bug
  spi: geni-qcom: Fix incorrect free_irq() sequence
  spi: geni-qcom: Undo runtime PM changes at driver exit time

15 months agoMerge tag 'soundwire-6.11-fixes_2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 13 Sep 2024 18:23:58 +0000 (11:23 -0700)] 
Merge tag 'soundwire-6.11-fixes_2' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire fix from Vinod Koul:

 - Revert of earlier fix sent for non-continuous port map programming
   which caused regression on Intel platforms

* tag 'soundwire-6.11-fixes_2' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: stream: Revert "soundwire: stream: fix programming slave ports for non-continous port maps"

15 months agoMerge tag 'drm-fixes-2024-09-13' of https://gitlab.freedesktop.org/drm/kernel
Linus Torvalds [Fri, 13 Sep 2024 17:55:59 +0000 (10:55 -0700)] 
Merge tag 'drm-fixes-2024-09-13' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Regular fixes pull, the amdgpu JPEG engine fixes are probably the
  biggest, they look to block some register accessing, otherwise there
  are just minor fixes and regression fixes all over.

  nouveau had a regression report going back a few kernels that finally
  got fixed, Not entirely happy with so many changes so late, but they
  all seem quite benign apart from the jpeg one.

  dma-buf/heaps:
   - fix off by one in CMA heap fault handler

  syncobj:
   - fix syncobj leak in drm_syncobj_eventfd_ioctl

  amdgpu:
   - Avoid races between set_drr() functions and dc_state_destruct()
   - Fix regerssion related to zpos
   - Fix regression related to overlay cursor
   - SMU 14.x updates
   - JPEG fixes
   - Silence an UBSAN warning

  amdkfd:
   - Fetch cacheline size from IP discovery

  i915:
   - Prevent a possible int overflow in wq offsets

  xe:
   - Remove a double include
   - Fix null checks and UAF
   - Fix access_ok check in user_fence_create
   - Fix compat IS_DISPLAY_STEP() range
   - OA fix
   - Fixes in show_meminfo

  nouveau:
   - fix GP10x regression on boot

  stm:
   - add COMMON_CLK dep

  rockchip:
   - iommu api change

  tegra:
   - iommu api change"

* tag 'drm-fixes-2024-09-13' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
  drm/xe/client: add missing bo locking in show_meminfo()
  drm/xe/client: fix deadlock in show_meminfo()
  drm/xe/oa: Enable Xe2+ PES disaggregation
  drm/xe/display: fix compat IS_DISPLAY_STEP() range end
  drm/xe: Fix access_ok check in user_fence_create
  drm/xe: Fix possible UAF in guc_exec_queue_process_msg
  drm/xe: Remove fence check from send_tlb_invalidation
  drm/xe/gt: Remove double include
  drm/amd/display: Add all planes on CRTC to state for overlay cursor
  drm/amdgpu/atomfirmware: Silence UBSAN warning
  drm/amd/amdgpu: apply command submission parser for JPEG v1
  drm/amd/amdgpu: apply command submission parser for JPEG v2+
  drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3
  drm/amd/pm: update the features set on smu v14.0.2/3
  drm/amd/display: Do not reset planes based on crtc zpos_changed
  drm/amd/display: Avoid race between dcn35_set_drr() and dc_state_destruct()
  drm/amd/display: Avoid race between dcn10_set_drr() and dc_state_destruct()
  drm/amdkfd: Add cache line size info
  drm/tegra: Use iommu_paging_domain_alloc()
  drm/rockchip: Use iommu_paging_domain_alloc()
  ...

15 months agopinctrl: pinctrl-cy8c95x0: Fix regcache
Patrick Rudolph [Mon, 2 Sep 2024 07:28:58 +0000 (09:28 +0200)] 
pinctrl: pinctrl-cy8c95x0: Fix regcache

The size of the mux stride was off by one, which could result in
invalid pin configuration on the device side or invalid state
readings on the software side.

While on it also update the code and:
- Increase the mux stride size to 16
- Align the virtual muxed regmap range to 16
- Start the regmap window at the selector
- Mark reserved registers as not-readable

Fixes: 8670de9fae49 ("pinctrl: cy8c95x0: Use regmap ranges")
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reported-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/20240902072859.583490-1-patrick.rudolph@9elements.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
15 months agoMerge tag 'intel-pinctrl-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Walleij [Fri, 13 Sep 2024 11:09:05 +0000 (13:09 +0200)] 
Merge tag 'intel-pinctrl-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes

intel-pinctrl for v6.11-1

This includes a new ACPI ID that is added to the Intel Meteor Lake
driver to support recent Intel Arrow Lake hardware.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
15 months agoMerge tag 'drm-xe-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/xe/kernel...
Dave Airlie [Fri, 13 Sep 2024 05:18:15 +0000 (15:18 +1000)] 
Merge tag 'drm-xe-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

- Remove a double include (Lucas)
- Fix null checks and UAF (Brost)
- Fix access_ok check in user_fence_create (Nirmoy)
- Fix compat IS_DISPLAY_STEP() range (Jani)
- OA fix (Ashutosh)
- Fixes in show_meminfo (Auld)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZuL-sORu54zfz1Lf@intel.com
15 months agoMerge tag 'drm-misc-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/misc...
Dave Airlie [Fri, 13 Sep 2024 04:47:49 +0000 (14:47 +1000)] 
Merge tag 'drm-misc-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

An off-by-one fix for the CMA DMA-buf heap, An init fix for nouveau, a
config dependency fix for stm, a syncobj leak fix, and two iommu fixes
for tegra and rockchip.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912-phenomenal-upbeat-grouse-a26781@houat
15 months agoMerge tag 'drm-intel-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/i915...
Dave Airlie [Fri, 13 Sep 2024 02:18:12 +0000 (12:18 +1000)] 
Merge tag 'drm-intel-fixes-2024-09-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes

- Prevent a possible int overflow in wq offsets [guc] (Nikita Zhandarovich)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZuKTN2XngNhBB3z3@linux
15 months agoMerge tag 'amd-drm-fixes-6.11-2024-09-11' of https://gitlab.freedesktop.org/agd5f...
Dave Airlie [Fri, 13 Sep 2024 01:33:37 +0000 (11:33 +1000)] 
Merge tag 'amd-drm-fixes-6.11-2024-09-11' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.11-2024-09-11:

amdgpu:
- Avoid races between set_drr() functions and dc_state_destruct()
- Fix regerssion related to zpos
- Fix regression related to overlay cursor
- SMU 14.x updates
- JPEG fixes
- Silence an UBSAN warning

amdkfd:
- Fetch cacheline size from IP discovery

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240911170528.838655-1-alexander.deucher@amd.com
15 months agocifs: Fix signature miscalculation
David Howells [Thu, 12 Sep 2024 15:58:48 +0000 (16:58 +0100)] 
cifs: Fix signature miscalculation

Fix the calculation of packet signatures by adding the offset into a page
in the read or write data payload when hashing the pages from it.

Fixes: 39bc58203f04 ("cifs: Add a function to Hash the contents of an iterator")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Tom Talpey <tom@talpey.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
15 months agoMerge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 12 Sep 2024 23:32:32 +0000 (16:32 -0700)] 
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fix from Stephen Boyd:
 "One build fix for 32-bit arches using the Qualcomm PLL driver. It's
  cheaper to use a comparison here instead of a division so we just do
  that to fix the build"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: qcom: clk-alpha-pll: Simplify the zonda_pll_adjust_l_val()

15 months agoMerge tag 'block-6.11-20240912' of git://git.kernel.dk/linux
Linus Torvalds [Thu, 12 Sep 2024 23:02:57 +0000 (16:02 -0700)] 
Merge tag 'block-6.11-20240912' of git://git.kernel.dk/linux

Pull block fix from Jens Axboe:
 "Just a single fix for a deadlock issue that can happen if someone
  attempts to change the root disk IO scheduler with a module that
  requires loading from disk.

  Changing the scheduler freezes the queue while that operation is
  happening, hence causing a deadlock"

* tag 'block-6.11-20240912' of git://git.kernel.dk/linux:
  block: Prevent deadlocks when switching elevators

15 months agoMerge tag 'hwmon-for-v6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 12 Sep 2024 21:27:47 +0000 (14:27 -0700)] 
Merge tag 'hwmon-for-v6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:

 - Fix clearing status register bits for chips supporting older
   PMBus versions

* tag 'hwmon-for-v6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (pmbus) Conditionally clear individual status bits for pmbus rev >= 1.2

15 months agoMerge tag 'wq-for-6.11-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 12 Sep 2024 20:11:10 +0000 (13:11 -0700)] 
Merge tag 'wq-for-6.11-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "A fix for a NULL worker->pool deref bug which can be triggered when a
  worker is created and then destroyed immediately"

* tag 'wq-for-6.11-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Clear worker->pool in the worker thread context

15 months agoMerge tag 'riscv-for-linus-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 12 Sep 2024 20:03:45 +0000 (13:03 -0700)] 
Merge tag 'riscv-for-linus-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - Two fixes for smp_processor_id() calls in preemptible sections: one
   if the perf driver, and one in the fence.i prctl.

* tag 'riscv-for-linus-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Disable preemption while handling PR_RISCV_CTX_SW_FENCEI_OFF
  drivers: perf: Fix smp_processor_id() use in preemptible code

15 months agoMerge tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Thu, 12 Sep 2024 19:45:24 +0000 (12:45 -0700)] 
Merge tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter.

  There is a recently notified BT regression with no fix yet. I do not
  think a fix will land in the next week.

  Current release - regressions:

   - core: tighten bad gso csum offset check in virtio_net_hdr

   - netfilter: move nf flowtable bpf initialization in
     nf_flow_table_module_init()

   - eth: ice: stop calling pci_disable_device() as we use pcim

   - eth: fou: fix null-ptr-deref in GRO.

  Current release - new code bugs:

   - hsr: prevent NULL pointer dereference in hsr_proxy_announce()

  Previous releases - regressions:

   - hsr: remove seqnr_lock

   - netfilter: nft_socket: fix sk refcount leaks

   - mptcp: pm: fix uaf in __timer_delete_sync

   - phy: dp83822: fix NULL pointer dereference on DP83825 devices

   - eth: revert "virtio_net: rx enable premapped mode by default"

   - eth: octeontx2-af: Modify SMQ flush sequence to drop packets

  Previous releases - always broken:

   - eth: mlx5: fix bridge mode operations when there are no VFs

   - eth: igb: Always call igb_xdp_ring_update_tail() under Tx lock"

* tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (36 commits)
  net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
  net: tighten bad gso csum offset check in virtio_net_hdr
  netlink: specs: mptcp: fix port endianness
  net: dpaa: Pad packets to ETH_ZLEN
  mptcp: pm: Fix uaf in __timer_delete_sync
  net: libwx: fix number of Rx and Tx descriptors
  net: dsa: felix: ignore pending status of TAS module when it's disabled
  net: hsr: prevent NULL pointer dereference in hsr_proxy_announce()
  selftests: mptcp: include net_helper.sh file
  selftests: mptcp: include lib.sh file
  selftests: mptcp: join: restrict fullmesh endp on 1st sf
  netfilter: nft_socket: make cgroupsv2 matching work with namespaces
  netfilter: nft_socket: fix sk refcount leaks
  MAINTAINERS: Add ethtool pse-pd to PSE NETWORK DRIVER
  dt-bindings: net: tja11xx: fix the broken binding
  selftests: net: csum: Fix checksums for packets with non-zero padding
  net: phy: dp83822: Fix NULL pointer dereference on DP83825 devices
  virtio_net: disable premapped mode by default
  Revert "virtio_net: big mode skip the unmap check"
  Revert "virtio_net: rx remove premapped failover code"
  ...

15 months agoMerge tag 'platform-drivers-x86-v6.11-7' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 12 Sep 2024 19:34:39 +0000 (12:34 -0700)] 
Merge tag 'platform-drivers-x86-v6.11-7' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Ilpo Järvinen:

 - asus-wmi: Disable OOBE that interferes with backlight control

 - panasonic-laptop: Two fixes to SINF array handling

* tag 'platform-drivers-x86-v6.11-7' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: asus-wmi: Disable OOBE experience on Zenbook S 16
  platform/x86: panasonic-laptop: Allocate 1 entry extra in the sinf array
  platform/x86: panasonic-laptop: Fix SINF array out of bounds accesses

15 months agomm: avoid leaving partial pfn mappings around in error case
Linus Torvalds [Thu, 12 Sep 2024 00:11:23 +0000 (17:11 -0700)] 
mm: avoid leaving partial pfn mappings around in error case

As Jann points out, PFN mappings are special, because unlike normal
memory mappings, there is no lifetime information associated with the
mapping - it is just a raw mapping of PFNs with no reference counting of
a 'struct page'.

That's all very much intentional, but it does mean that it's easy to
mess up the cleanup in case of errors.  Yes, a failed mmap() will always
eventually clean up any partial mappings, but without any explicit
lifetime in the page table mapping itself, it's very easy to do the
error handling in the wrong order.

In particular, it's easy to mistakenly free the physical backing store
before the page tables are actually cleaned up and (temporarily) have
stale dangling PTE entries.

To make this situation less error-prone, just make sure that any partial
pfn mapping is torn down early, before any other error handling.

Reported-and-tested-by: Jann Horn <jannh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>