Ritesh Harjani [Sun, 15 May 2022 06:37:47 +0000 (12:07 +0530)]
ext4: cleanup function defs from ext4.h into crypto.c
Some of these functions when CONFIG_FS_ENCRYPTION is enabled are not
really inline (let compiler be the best judge of it).
Remove inline and move them into crypto.c where they should be present.
Ritesh Harjani [Sun, 15 May 2022 06:37:46 +0000 (12:07 +0530)]
ext4: move ext4 crypto code to its own file crypto.c
This is to cleanup super.c file which has grown quite large.
So, start moving ext4 crypto related code to where it should
be in the first place i.e. fs/ext4/crypto.c
Linus Torvalds [Sun, 22 May 2022 00:14:02 +0000 (14:14 -1000)]
Merge tag 'perf-tools-fixes-for-v5.18-2022-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
in 'perf stat'.
- Fix x86's arch__intr_reg_mask() for the hybrid platform.
- Address 'perf bench numa' compiler error on s390.
- Fix check for btf__load_from_kernel_by_id() in libbpf.
- Fix "all PMU test" 'perf test' to skip hv_24x7/hv_gpci tests on
powerpc.
- Fix session topology test to skip the test in guest environment.
- Skip BPF 'perf test' if clang is not present.
- Avoid shell test description infinite loop in 'perf test'.
- Fix Intel LBR callstack entries and nr print message.
* tag 'perf-tools-fixes-for-v5.18-2022-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf session: Fix Intel LBR callstack entries and nr print message
perf test bpf: Skip test if clang is not present
perf test session topology: Fix test to skip the test in guest environment
perf bench numa: Address compiler error on s390
perf test: Avoid shell test description infinite loop
perf regs x86: Fix arch__intr_reg_mask() for the hybrid platform
perf test: Fix "all PMU test" to skip hv_24x7/hv_gpci tests on powerpc
perf stat: Fix and validate CPU map inputs in synthetic PERF_RECORD_STAT events
perf build: Fix check for btf__load_from_kernel_by_id() in libbpf
Linus Torvalds [Sat, 21 May 2022 23:58:43 +0000 (13:58 -1000)]
Merge tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A small fixup to ili210x touchscreen driver, and updated maintainer
entry for the device tree binding of Mediatek 6779 keypad:
- fix reset timing of Ilitek touchscreens
- update maintainer entry of DT binding of Mediatek 6779 keypad"
* tag 'input-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ili210x - use one common reset implementation
Input: ili210x - fix reset timing
dt-bindings: input: mediatek,mt6779-keypad: update maintainer
Linus Torvalds [Sat, 21 May 2022 23:31:50 +0000 (13:31 -1000)]
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two patches, both in drivers.
The iscsi one is fixing the cpumask issue you commented on and the ufs
one is a late arriving fix for conditions that can occur in Host
Performance Booster reads"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix referencing invalid rsp field
scsi: target: Fix incorrect use of cpumask_t
Hyunchul Lee [Fri, 20 May 2022 05:35:47 +0000 (14:35 +0900)]
ksmbd: fix outstanding credits related bugs
outstanding credits must be initialized to 0,
because it means the sum of credits consumed by
in-flight requests.
And outstanding credits must be compared with
total credits in smb2_validate_credit_charge(),
because total credits are the sum of credits
granted by ksmbd.
This patch fix the following error,
while frametest with Windows clients:
Limits exceeding the maximum allowable outstanding requests,
given : 128, pending : 8065
Fixes: b589f5db6d4a ("ksmbd: limits exceeding the maximum allowable outstanding requests") Cc: stable@vger.kernel.org Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Reported-by: Yufan Chen <wiz.chen@gmail.com> Tested-by: Yufan Chen <wiz.chen@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Hyunchul Lee [Tue, 17 May 2022 21:46:08 +0000 (06:46 +0900)]
ksmbd: smbd: fix connection dropped issue
When there are bursty connection requests,
RDMA connection event handler is deferred and
Negotiation requests are received even if
connection status is NEW.
To handle it, set the status to CONNECTED
if Negotiation requests are received.
Reported-by: Yufan Chen <wiz.chen@gmail.com> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Tested-by: Yufan Chen <wiz.chen@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Yang Li [Thu, 12 May 2022 07:56:05 +0000 (15:56 +0800)]
ksmbd: Fix some kernel-doc comments
Remove some warnings found by running scripts/kernel-doc,
which is caused by using 'make W=1'.
fs/ksmbd/misc.c:30: warning: Function parameter or member 'str' not
described in 'match_pattern'
fs/ksmbd/misc.c:30: warning: Excess function parameter 'string'
description in 'match_pattern'
fs/ksmbd/misc.c:163: warning: Function parameter or member 'share' not
described in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Function parameter or member 'path' not
described in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Excess function parameter 'filename'
description in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:163: warning: Excess function parameter 'sharepath'
description in 'convert_to_nt_pathname'
fs/ksmbd/misc.c:259: warning: Function parameter or member 'share' not
described in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Function parameter or member 'name' not
described in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Excess function parameter 'path'
description in 'convert_to_unix_name'
fs/ksmbd/misc.c:259: warning: Excess function parameter 'tid'
description in 'convert_to_unix_name'
Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Namjae Jeon [Mon, 16 May 2022 07:23:28 +0000 (16:23 +0900)]
ksmbd: fix wrong smbd max read/write size check
smb-direct max read/write size can be different with smb2 max read/write
size. So smb2_read() can return error by wrong max read/write size check.
This patch use smb_direct_max_read_write_size for this check in
smb-direct read/write().
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Namjae Jeon [Mon, 16 May 2022 07:22:09 +0000 (16:22 +0900)]
ksmbd: handle smb2 query dir request for OutputBufferLength that is too small
We found the issue that ksmbd return STATUS_NO_MORE_FILES response
even though there are still dentries that needs to be read while
file read/write test using framtest utils.
windows client send smb2 query dir request included
OutputBufferLength(128) that is too small to contain even one entry.
This patch make ksmbd immediately returns OutputBufferLength of response
as zero to client.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Hyunchul Lee [Fri, 29 Apr 2022 23:30:29 +0000 (08:30 +0900)]
ksmbd: smbd: handle multiple Buffer descriptors
Make ksmbd handle multiple buffer descriptors
when reading and writing files using SMB direct:
Post the work requests of rdma_rw_ctx for
RDMA read/write in smb_direct_rdma_xmit(), and
the work request for the READ/WRITE response
with a remote invalidation in smb_direct_writev().
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Hyunchul Lee [Fri, 29 Apr 2022 23:30:26 +0000 (08:30 +0900)]
ksmbd: smbd: introduce read/write credits for RDMA read/write
SMB2_READ/SMB2_WRITE request has to be granted the number
of rw credits, the pages the request wants to transfer
/ the maximum pages which can be registered with one
MR to read and write a file.
And allocate enough RDMA resources for the maximum
number of rw credits allowed by ksmbd.
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
riscv: Don't output a bogus mmu-type on a no MMU kernel
Currently on a 64-bit kernel built without CONFIG_MMU, /proc/cpuinfo will
show the current MMU mode as sv57.
While the device tree property "mmu-type" does have a value "riscv,none" to
describe a CPU without a MMU, since commit 73c7c8f68e72 ("riscv: Use
pgtable_l4_enabled to output mmu_type in cpuinfo"), we no longer rely on
device tree to output the MMU mode. (Not even for CONFIG_32BIT.)
Therefore, instead of readding code to look at the "mmu-type" device tree
property, let's continue with the existing convention to use fixed values
for configurations where we don't determine the MMU mode at runtime.
Add a new fixed value for !CONFIG_MMU in order to output the correct
MMU mode in cpuinfo.
Chengdong Li [Tue, 17 May 2022 01:57:26 +0000 (09:57 +0800)]
perf session: Fix Intel LBR callstack entries and nr print message
When generating callstack information from branch_stack(Intel LBR), the
actual number of callstack entry should be bigger than the number of
branch_stack, for example:
branch_stack records:
B() -> C()
A() -> B()
converted callstack records should be:
C()
B()
A()
though, the number of callstack equals
to the number of branch stack plus 1.
This patch fixes above issue in branch_stack__printf(). For example,
# echo 'scale=2000; 4*a(1)' > cmd
# perf record --call-graph lbr bc -l < cmd
Before applying this patch, `perf script -D` output:
Enabling verbose option provided debug logs which says clang/llvm needs
to be installed. Snippet of verbose logs:
<<>>
42.2: BPF pinning :
--- start ---
test child forked, pid 61423
ERROR: unable to find clang.
Hint: Try to install latest clang/llvm to support BPF.
Check your $PATH
<<logs_here>>
Failed to compile test case: 'Basic BPF llvm compile'
Unable to get BPF object, fix kbuild first
test child finished with -1
---- end ----
BPF filter subtest 2: FAILED!
<<>>
Here subtests, "BPF pinning" and "BPF prologue generation" failed and
logs shows clang/llvm is needed. After installing clang, testcase
passes.
Reason on why subtest failure happens though logs has proper debug
information:
Main function __test__bpf calls test_llvm__fetch_bpf_obj by
passing 4th argument as true ( 4th arguments maps to parameter
"force" in test_llvm__fetch_bpf_obj ). But this will cause
test_llvm__fetch_bpf_obj to skip the check for clang/llvm.
Snippet of code part which checks for clang based on
parameter "force" in test_llvm__fetch_bpf_obj:
<<>>
if (!force && (!llvm_param.user_set_param &&
<<>>
Since force is set to "false", test won't get skipped and fails to
compile test case. The BPF code compilation needs clang, So pass the
fourth argument as "false" and also skip the test if reason for return
is "TEST_SKIP"
Athira Rajeev [Wed, 11 May 2022 11:49:59 +0000 (17:19 +0530)]
perf test session topology: Fix test to skip the test in guest environment
The session topology test fails in powerpc pSeries platform.
Test logs:
<<>>
Session topology : FAILED!
<<>>
This testcases tests cpu topology by checking the core_id and socket_id
stored in perf_env from perf session. The data from perf session is
compared with the cpu topology information from
"/sys/devices/system/cpu/cpuX/topology" like core_id,
physical_package_id.
In case of virtual environment, detail like physical_package_id is
restricted to be exposed. Hence physical_package_id is set to -1. The
testcase fails on such platforms since socket_id can't be fetched from
topology info.
Skip the testcase in powerpc if physical_package_id returns -1.
Reviewed-by: Kajol Jain <kjain@linux.ibm.com> Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>--- Tested-by: Disha Goel <disgoel@linux.vnet.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20220511114959.84002-1-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Thomas Richter [Fri, 20 May 2022 08:11:58 +0000 (10:11 +0200)]
perf bench numa: Address compiler error on s390
The compilation on s390 results in this error:
# make DEBUG=y bench/numa.o
...
bench/numa.c: In function ‘__bench_numa’:
bench/numa.c:1749:81: error: ‘%d’ directive output may be truncated
writing between 1 and 11 bytes into a region of size between
10 and 20 [-Werror=format-truncation=]
1749 | snprintf(tname, sizeof(tname), "process%d:thread%d", p, t);
^~
...
bench/numa.c:1749:64: note: directive argument in the range
[-2147483647, 2147483646]
...
#
The maximum length of the %d replacement is 11 characters because of the
negative sign. Therefore extend the array by two more characters.
Output after:
# make DEBUG=y bench/numa.o > /dev/null 2>&1; ll bench/numa.o
-rw-r--r-- 1 root root 418320 May 19 09:11 bench/numa.o
#
Fixes: 3aff8ba0a4c9c919 ("perf bench numa: Avoid possible truncation when using snprintf()") Suggested-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Link: https://lore.kernel.org/r/20220520081158.2990006-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Ian Rogers [Tue, 17 May 2022 20:41:44 +0000 (13:41 -0700)]
perf test: Avoid shell test description infinite loop
for_each_shell_test() is already strict in expecting tests to be files
and executable. It is sometimes possible when it iterates over all files
that it finds one that is executable and lacks a newline character. When
this happens the loop never terminates as it doesn't check for EOF.
Add the EOF check to make this loop at least bounded by the file size.
If the description is returned as NULL then also skip the test.
Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Marco Elver <elver@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Sohaib Mohamed <sohaib.amhmd@gmail.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220517204144.645913-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Kan Liang [Wed, 18 May 2022 14:51:25 +0000 (07:51 -0700)]
perf regs x86: Fix arch__intr_reg_mask() for the hybrid platform
The X86 specific arch__intr_reg_mask() is to check whether the kernel
and hardware can collect XMM registers. But it doesn't work on some
hybrid platform.
Without the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15
The config of the test event doesn't contain the PMU information. The
kernel may fail to initialize it on the correct hybrid PMU and return
the wrong non-supported information.
Add the PMU information into the config for the hybrid platform. The
same register set is supported among different hybrid PMUs. Checking
the first available one is good enough.
With the patch on ADL-N:
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10
R11 R12 R13 R14 R15 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 XMM9
XMM10 XMM11 XMM12 XMM13 XMM14 XMM15
Fixes: 6466ec14aaf44ff1 ("perf regs x86: Add X86 specific arch__intr_reg_mask()") Reported-by: Ammy Yi <ammy.yi@intel.com> Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20220518145125.1494156-1-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Athira Rajeev [Fri, 20 May 2022 10:12:36 +0000 (15:42 +0530)]
perf test: Fix "all PMU test" to skip hv_24x7/hv_gpci tests on powerpc
"perf all PMU test" picks the input events from "perf list --raw-dump
pmu" list and runs "perf stat -e" for each of the event in the list. In
case of powerpc, the PowerVM environment supports events from hv_24x7
and hv_gpci PMU which is of example format like below:
The value for "?" needs to be filled in depending on system and
respective event. CPM_ADJUNCT_INST needs have core value and domain
value. hv_gpci event needs partition_id. Similarly, there are other
events for hv_24x7 and hv_gpci having "?" in event format. Hence skip
these events on powerpc platform since values like partition_id, domain
is specific to system and event.
Fixes: 3d5ac9effcc640d5 ("perf test: Workload test of all PMUs") Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Disha Goel <disgoel@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Link: https://lore.kernel.org/r/20220520101236.17249-1-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Guo Ren [Thu, 5 May 2022 03:55:23 +0000 (11:55 +0800)]
riscv: atomic: Optimize dec_if_positive functions
Current implementation wastes another register to pass the
argument, but we only need addi to calculate the result. Optimize
the code with minimize the usage of registers.
Ronnie Sahlberg [Mon, 9 May 2022 23:42:06 +0000 (09:42 +1000)]
cifs: set the CREATE_NOT_FILE when opening the directory in use_cached_dir()
This enforces that we can only do this for directories and not normal files
or else the server will return an error.
This means that we will have conditionally check IF the path refers
to a directory or not in all the call-sites where we are unsure.
Right now this check is for "" i.e. root.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Ronnie Sahlberg [Mon, 9 May 2022 23:42:05 +0000 (09:42 +1000)]
cifs: check for smb1 in open_cached_dir()
Check protocol version in open_cached_dir() and return not supported
for SMB1. This allows us to call open_cached_dir() from code that
is common to both smb1 and smb2/3 in future patches without having to
do this check in the call-site.
At the same time, add a check if tcon is valid or not for the same reason.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Ronnie Sahlberg [Mon, 9 May 2022 23:42:04 +0000 (09:42 +1000)]
cifs: move definition of cifs_fattr earlier in cifsglob.h
This only moves these definitions to come earlier in the file
but not change the definition itself.
This is done to reduce the amount of changes in future patches.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Prasad Sodagudi [Tue, 17 May 2022 10:43:00 +0000 (16:13 +0530)]
mailbox: qcom-ipcc: Log the pending interrupt during resume
Enable logging of the pending interrupt that triggered device wakeup. This
logging information helps to debug IRQs that cause periodic device wakeups
by printing the detailed information of pending IPCC interrupts.
mailbox: pcc: Fix an invalid-load caught by the address sanitizer
`pcc_mailbox_probe` doesn't initialize all memory that has been allocated
before the first time that one of it's members `txdone_irq` may be
accessed.
This leads to a an invalid load any time that this member is accessed:
[ 2.429769] UBSAN: invalid-load in drivers/mailbox/pcc.c:684:22
[ 2.430324] UBSAN: invalid-load in drivers/mailbox/mailbox.c:486:12
[ 4.276782] UBSAN: invalid-load in drivers/acpi/cppc_acpi.c:314:45
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215587 Fixes: ce028702ddbc ("mailbox: pcc: Move bulk of PCCT parsing into pcc_mbox_probe") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
drivers/mailbox/arm_mhu_db.c:47:
warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/mailbox/qcom-ipcc.c:58:
warning: Function parameter or member 'num_chans' not described in 'qcom_ipcc'
ran jianping [Thu, 28 Apr 2022 06:42:09 +0000 (06:42 +0000)]
mailbox: omap: using pm_runtime_resume_and_get to simplify the code
Using pm_runtime_resume_and_get() to replace pm_runtime_get_sync and
pm_runtime_put_noidle. This change is just to simplify the code, no
actual functional changes.
ran jianping [Wed, 27 Apr 2022 05:41:00 +0000 (05:41 +0000)]
mailbox:imx: using pm_runtime_resume_and_get
Using pm_runtime_resume_and_get() to replace pm_runtime_get_sync and
pm_runtime_put_noidle. This change is just to simplify the code, no
actual functional changes.
dt-bindings: tegra186-hsp: add type for shared mailboxes
Tegra234 supports sending/receiving 32-bit and 128-bit data over
a shared mailbox. Based on the data size to be used, clients need
to specify the type of shared mailbox in the device tree.
Add a macro for 128-bit shared mailbox. Mailbox clients can use this
macro as a flag in device tree to enable 128-bit data support for a
shared mailbox.
dt-bindings: mailbox: qcom-ipcc: simplify the example
Consumer examples in the bindings of resource providers are trivial,
useless and duplicating code. Additionally the incomplete qcom,smp2p
example triggers DT schema warnings.
Cleanup the example by removing the consumer part and fixing the
indentation to DT schema convention.
Reported-by: Rob Herring <robh@kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
drm/r128: Fix undefined behavior due to shift overflowing the constant
Fix:
drivers/gpu/drm/r128/r128_cce.c: In function ‘r128_do_init_cce’:
drivers/gpu/drm/r128/r128_cce.c:417:2: error: case label does not reduce to an integer constant
case R128_PM4_64BM_64VCBM_64INDBM:
^~~~
drivers/gpu/drm/r128/r128_cce.c:418:2: error: case label does not reduce to an integer constant
case R128_PM4_64PIO_64VCPIO_64INDPIO:
^~~~
See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory
details as to why it triggers with older gccs only.
Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220405151517.29753-5-bp@alien8.de
Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
Commit 6eaf08770ee8 ("ACPICA: executer/exsystem: Warn about sleeps
greater than 10 ms") made acpi_ex_system_do_sleep() log a warning for
sleep times greater than 10 ms, but such sleep times are used in
power management AML because of the PCI specification requirements.
This results with logging warnings that cannot really be acted on in
any useful way which is annoying and these warnings show up in the logs
on many production systems, so revert commit 6eaf08770ee8.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Marek Vasut [Fri, 20 May 2022 12:15:43 +0000 (14:15 +0200)]
drm/bridge: tc358767: Make sure Refclk clock are enabled
The Refclk may be supplied by SoC clock output instead of crystal
oscillator, make sure the clock are enabled before any other action
is performed with the bridge chip, otherwise it may either fail to
operate at all, or miss reset GPIO toggle.
Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Fixes: 7caff0fc4296e ("drm/bridge: tc358767: Add DPI to eDP bridge driver") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Marek Vasut <marex@denx.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220520121543.11550-1-marex@denx.de
Marek Vasut [Wed, 18 May 2022 23:38:44 +0000 (01:38 +0200)]
drm/bridge: ti-sn65dsi83: Handle dsi_lanes == 0 as invalid
Handle empty data-lanes = < >; property, which translates to
dsi_lanes = 0 as invalid.
Fixes: ceb515ba29ba6 ("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and SN65DSI84 driver") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Marek Vasut <marex@denx.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220518233844.248504-1-marex@denx.de
Jens Axboe [Sat, 21 May 2022 15:17:05 +0000 (09:17 -0600)]
io_uring: cleanup handling of the two task_work lists
Rather than pass in a bool for whether or not this work item needs to go
into the priority list or not, provide separate helpers for it. For most
use cases, this also then gets rid of the branch for non-priority task
work.
While at it, rename the prior_task_list to prio_task_list. Prior is
a confusing name for it, as it would seem to indicate that this is the
previous task_work list. prio makes it clear that this is a priority
task_work list.
i2c-rcar already has priv->flags. This patch adds a new persistent flag
ID_P_NOT_ATOMIC and uses it to save the extra variable. The negation of
the logic was done to make the code more readable.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[wsa: negated the logic, rebased, updated the commit message] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Mika Westerberg [Wed, 27 Apr 2022 10:19:10 +0000 (13:19 +0300)]
i2c: ismt: Provide a DMA buffer for Interrupt Cause Logging
Before sending a MSI the hardware writes information pertinent to the
interrupt cause to a memory location pointed by SMTICL register. This
memory holds three double words where the least significant bit tells
whether the interrupt cause of master/target/error is valid. The driver
does not use this but we need to set it up because otherwise it will
perform DMA write to the default address (0) and this will cause an
IOMMU fault such as below:
DMAR: DRHD: handling fault status reg 2
DMAR: [DMA Write] Request device [00:12.0] PASID ffffffff fault addr 0
[fault reason 05] PTE Write access is not set
To prevent this from happening, provide a proper DMA buffer for this
that then gets mapped by the IOMMU accordingly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Pawan Gupta [Fri, 20 May 2022 03:35:15 +0000 (20:35 -0700)]
KVM: x86/speculation: Disable Fill buffer clear within guests
The enumeration of MD_CLEAR in CPUID(EAX=7,ECX=0).EDX{bit 10} is not an
accurate indicator on all CPUs of whether the VERW instruction will
overwrite fill buffers. FB_CLEAR enumeration in
IA32_ARCH_CAPABILITIES{bit 17} covers the case of CPUs that are not
vulnerable to MDS/TAA, indicating that microcode does overwrite fill
buffers.
Guests running in VMM environments may not be aware of all the
capabilities/vulnerabilities of the host CPU. Specifically, a guest may
apply MDS/TAA mitigations when a virtual CPU is enumerated as vulnerable
to MDS/TAA even when the physical CPU is not. On CPUs that enumerate
FB_CLEAR_CTRL the VMM may set FB_CLEAR_DIS to skip overwriting of fill
buffers by the VERW instruction. This is done by setting FB_CLEAR_DIS
during VMENTER and resetting on VMEXIT. For guests that enumerate
FB_CLEAR (explicitly asking for fill buffer clear capability) the VMM
will not use FB_CLEAR_DIS.
Irrespective of guest state, host overwrites CPU buffers before VMENTER
to protect itself from an MMIO capable guest, as part of mitigation for
MMIO Stale Data vulnerabilities.
Pawan Gupta [Fri, 20 May 2022 03:34:14 +0000 (20:34 -0700)]
x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
The Shared Buffers Data Sampling (SBDS) variant of Processor MMIO Stale
Data vulnerabilities may expose RDRAND, RDSEED and SGX EGETKEY data.
Mitigation for this is added by a microcode update.
As some of the implications of SBDS are similar to SRBDS, SRBDS mitigation
infrastructure can be leveraged by SBDS. Set X86_BUG_SRBDS and use SRBDS
mitigation.
Mitigation is enabled by default; use srbds=off to opt-out. Mitigation
status can be checked from below file:
Currently, Linux disables SRBDS mitigation on CPUs not affected by
MDS and have the TSX feature disabled. On such CPUs, secrets cannot
be extracted from CPU fill buffers using MDS or TAA. Without SRBDS
mitigation, Processor MMIO Stale Data vulnerabilities can be used to
extract RDRAND, RDSEED, and EGETKEY data.
Do not disable SRBDS mitigation by default when CPU is also affected by
Processor MMIO Stale Data vulnerabilities.
Pawan Gupta [Fri, 20 May 2022 03:32:13 +0000 (20:32 -0700)]
x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
Add the sysfs reporting file for Processor MMIO Stale Data
vulnerability. It exposes the vulnerability and mitigation state similar
to the existing files for the other hardware vulnerabilities.
Pawan Gupta [Fri, 20 May 2022 03:31:12 +0000 (20:31 -0700)]
x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
When the CPU is affected by Processor MMIO Stale Data vulnerabilities,
Fill Buffer Stale Data Propagator (FBSDP) can propagate stale data out
of Fill buffer to uncore buffer when CPU goes idle. Stale data can then
be exploited with other variants using MMIO operations.
Mitigate it by clearing the Fill buffer before entering idle state.
Pawan Gupta [Fri, 20 May 2022 03:30:12 +0000 (20:30 -0700)]
x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
MDS, TAA and Processor MMIO Stale Data mitigations rely on clearing CPU
buffers. Moreover, status of these mitigations affects each other.
During boot, it is important to maintain the order in which these
mitigations are selected. This is especially true for
md_clear_update_mitigation() that needs to be called after MDS, TAA and
Processor MMIO Stale Data mitigation selection is done.
Introduce md_clear_select_mitigation(), and select all these mitigations
from there. This reflects relationships between these mitigations and
ensures proper ordering.
Pawan Gupta [Fri, 20 May 2022 03:29:11 +0000 (20:29 -0700)]
x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
Processor MMIO Stale Data is a class of vulnerabilities that may
expose data after an MMIO operation. For details please refer to
Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst.
These vulnerabilities are broadly categorized as:
Device Register Partial Write (DRPW):
Some endpoint MMIO registers incorrectly handle writes that are
smaller than the register size. Instead of aborting the write or only
copying the correct subset of bytes (for example, 2 bytes for a 2-byte
write), more bytes than specified by the write transaction may be
written to the register. On some processors, this may expose stale
data from the fill buffers of the core that created the write
transaction.
Shared Buffers Data Sampling (SBDS):
After propagators may have moved data around the uncore and copied
stale data into client core fill buffers, processors affected by MFBDS
can leak data from the fill buffer.
Shared Buffers Data Read (SBDR):
It is similar to Shared Buffer Data Sampling (SBDS) except that the
data is directly read into the architectural software-visible state.
An attacker can use these vulnerabilities to extract data from CPU fill
buffers using MDS and TAA methods. Mitigate it by clearing the CPU fill
buffers using the VERW instruction before returning to a user or a
guest.
On CPUs not affected by MDS and TAA, user application cannot sample data
from CPU fill buffers using MDS or TAA. A guest with MMIO access can
still use DRPW or SBDR to extract data architecturally. Mitigate it with
VERW instruction to clear fill buffers before VMENTER for MMIO capable
guests.
Add a kernel parameter mmio_stale_data={off|full|full,nosmt} to control
the mitigation.
Pawan Gupta [Fri, 20 May 2022 03:28:10 +0000 (20:28 -0700)]
x86/speculation: Add a common function for MD_CLEAR mitigation update
Processor MMIO Stale Data mitigation uses similar mitigation as MDS and
TAA. In preparation for adding its mitigation, add a common function to
update all mitigations that depend on MD_CLEAR.
[ bp: Add a newline in md_clear_update_mitigation() to separate
statements better. ]
Pawan Gupta [Fri, 20 May 2022 03:27:08 +0000 (20:27 -0700)]
x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
Processor MMIO Stale Data is a class of vulnerabilities that may
expose data after an MMIO operation. For more details please refer to
Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
Add the Processor MMIO Stale Data bug enumeration. A microcode update
adds new bits to the MSR IA32_ARCH_CAPABILITIES, define them.
Miaoqian Lin [Wed, 11 May 2022 11:42:03 +0000 (15:42 +0400)]
watchdog: ts4800_wdt: Fix refcount leak in ts4800_wdt_probe
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() in some error paths.
Fixes: bf9006399939 ("watchdog: ts4800: add driver for TS-4800 watchdog") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220511114203.47420-1-linmq006@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Phil Edworthy [Wed, 27 Apr 2022 13:55:31 +0000 (15:55 +0200)]
watchdog: Add Renesas RZ/N1 Watchdog driver
This is a driver for the standard WDT on the RZ/N1 devices. This WDT has
very limited timeout capabilities. However, it can reset the device.
To do so, the corresponding bits in the SysCtrl RSTEN register need to
be enabled. This is not done by this driver.
Liu Xinpeng [Tue, 26 Apr 2022 14:53:29 +0000 (22:53 +0800)]
watchdog: wdat_wdt: Stop watchdog when rebooting the system
Executing reboot command several times on the machine "Dell
PowerEdge R740", UEFI security detection stopped machine
with the following prompt:
UEFI0082: The system was reset due to a timeout from the watchdog
timer. Check the System Event Log (SEL) or crash dumps from
Operating Sysstem to identify the source that triggered the
watchdog timer reset. Update the firmware or driver for the
identified device.
iDRAC has warning event: "The watchdog timer reset the system".
This patch fixes this issue by adding the reboot notifier.
Liu Xinpeng [Tue, 26 Apr 2022 14:53:28 +0000 (22:53 +0800)]
watchdog: wdat_wdt: Using the existing function to check parameter timeout
If max_hw_heartbeat_ms is provided, the configured maximum timeout is not
limited by it. The limit check in this driver therefore doesn't make much
sense. Similar, the watchdog core ensures that minimum timeout limits are
met if min_hw_heartbeat_ms is set. Using watchdog_timeout_invalid() makes
more sense because it takes this into account.
Document the watchdog timeout mode property. If this property is used
the user can select what happens on watchdog timeout. Set this property
to 1 to enable SHUTDOWN (the device resets), set it to 0 and the device
will go to POWERDOWN on watchdog timeout.
If this property is not set, don't touch the WATCHDOG_SD bit and leave
the configuration to OTP. This way backward compatibility is not broken.
Signed-off-by: Andrej Picej <andrej.picej@norik.com> Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20211206064732.280375-4-andrej.picej@norik.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Document RZ/G2UL WDT bindings. RZ/G2UL WDT is similar to one found
on the RZ/G2L SoC. No driver changes are required as generic compatible
string "renesas,rzg2l-wdt" will be used as a fallback.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220424071323.151757-1-biju.das.jz@bp.renesas.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Liu Xinpeng [Tue, 26 Apr 2022 10:11:45 +0000 (18:11 +0800)]
watchdog: iTCO_wdt: Using existing macro define covers more scenarios
For power management, SET_NOIRQ_SYSTEM_SLEEP_PM_OPS defined for
CONFIG_PM_SLEEP, will point ->suspend_noirq, ->freeze_noirq and
->poweroff_noirq to the same function. Vice versa happens for
->resume_noirq, ->thaw_noirq and ->restore_noirq.
If the device is already in a runtime PM enabled state
pm_runtime_get_sync() will return 1, so a test for negative
value should be used to check for errors.
Jan Kiszka [Mon, 21 Feb 2022 16:22:38 +0000 (17:22 +0100)]
watchdog: rti_wdt: Fix calculation and evaluation of preset heartbeat
This ensures that the same value is read back as was eventually
programmed when using seconds as accuracy. Even then, comparing the more
precise heartbeat_ms against heartbeat in seconds will almost never
provide a match and will needlessly raise a warning. Fix by comparing
apples to apples.
Tested in combination with U-Boot as watchdog starter.
Disable the watchdog if it is active while removing the module.
It is necessary in order to prevent a reset in case watchdog
hw was running before the removal.
watchdog: da9063: optionally disable watchdog during suspend
Optionally disable watchdog during suspend (if enabled) and re-enable
it upon resume.
This enables boards to sleep without being interrupted by the watchdog.
This patch is based on commit f6c98b08381c ("watchdog: da9062: add
power management ops") and commit 8541673d2a5f ("watchdog: da9062: fix
power management ops") and brings the same functionality to DA9063.
Takashi Iwai [Sat, 21 May 2022 06:53:25 +0000 (08:53 +0200)]
ALSA: usb-audio: Add missing ep_idx in fixed EP quirks
The quirk entry for Focusrite Saffire 6 had no proper ep_idx for the
capture endpoint, and this confused the driver, resulting in the
broken sound. This patch adds the missing ep_idx in the entry.
While we are at it, a couple of other entries (for Digidesign MBox and
MOTU MicroBook II) seem to have the same problem, and those are
covered as well.
Takashi Iwai [Sat, 21 May 2022 06:46:27 +0000 (08:46 +0200)]
ALSA: usb-audio: Workaround for clock setup on TEAC devices
Maris reported that TEAC UD-501 (0644:8043) doesn't work with the
typical "clock source 41 is not valid, cannot use" errors on the
recent kernels. The currently known workaround so far is to restore
(partially) what we've done unconditionally at the clock setup;
namely, re-setup the USB interface immediately after the clock is
changed. This patch re-introduces the behavior conditionally for TEAC
devices.
Further notes:
- The USB interface shall be set later in
snd_usb_endpoint_configure(), but this seems to be too late.
- Even calling usb_set_interface() right after
sne_usb_init_sample_rate() doesn't help; so this must be related
with the clock validation, too.
- The device may still spew the "clock source 41 is not valid" error
at the first clock setup. This seems happening at the very first
try of clock setup, but it disappears at later attempts.
The error is likely harmless because the driver retries the clock
setup (such an error is more or less expected on some devices).
Takashi Iwai [Sat, 21 May 2022 06:47:40 +0000 (08:47 +0200)]
Merge tag 'asoc-fix-v5.18-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fix for v5.17
This is rather late and at this point I'm expecting it to get merged in
the merge window rather than as a fix but if we get a -rc8 it's a small,
driver specific fix which should be fine to send.
Wolfram Sang [Fri, 20 May 2022 10:33:25 +0000 (12:33 +0200)]
i2c: rcar: refactor handling of first message
After moving ICMSR handling to interrupt handlers previously to fix a
race condition, we can now also move ICMSR handling for the first
message out of the function to prepare a message. By introducing a
seperate function to initialize the first message, we can not only
remove some code duplication but the remaining code is also easier to
follow. The function to prepare a message is much simpler without ICMSR
handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Wolfram Sang [Fri, 20 May 2022 10:33:24 +0000 (12:33 +0200)]
i2c: rcar: avoid race condition with SMIs
A customer experienced a race condition with 'repeated starts' when a
System Management Interrupt took over for 30us and more. The problem was
that during the SMI a new MAT interrupt came in because we set up the
'repeated start' condition. But the old one was not acknowledged yet.
So, when it was acknowledged after the SMI, the new MAT interrupt was
lost, confusing the state machine of the driver.
The fix consists of two parts. First, we do not clear the status
register for 'repeated starts' when preparing the next message anymore.
The interrupt handlers for sending and receiving data is now solely
responsible for that and it makes the code easier to follow, in fact.
Secondly, clearing the status register is now split up to handle MAT
interrupts independently. This avoids the race condition because the old
MAT interrupt will be now cleared before we initiate the "repeated
start" condition.
Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Linus Torvalds [Sat, 21 May 2022 06:34:59 +0000 (20:34 -1000)]
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly expose GICv3 support even if no irqchip is created so
that userspace doesn't observe it changing pointlessly (fixing a
regression with QEMU)
- Don't issue a hypercall to set the id-mapped vectors when protected
mode is enabled (fix for pKVM in combination with CPUs affected by
Spectre-v3a)
x86 (five oneliners, of which the most interesting two are):
- a NULL pointer dereference on INVPCID executed with paging
disabled, but only if KVM is using shadow paging
- an incorrect bsearch comparison function which could truncate the
result and apply PMU event filtering incorrectly. This one comes
with a selftests update too"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID
KVM: x86: hyper-v: fix type of valid_bank_mask
KVM: Free new dirty bitmap if creating a new memslot fails
KVM: eventfd: Fix false positive RCU usage warning
selftests: kvm/x86: Verify the pmu event filter matches the correct event
selftests: kvm/x86: Add the helper function create_pmu_event_filter
kvm: x86/pmu: Fix the compare function used by the pmu event filter
KVM: arm64: Don't hypercall before EL2 init
KVM: arm64: vgic-v3: Consistently populate ID_AA64PFR0_EL1.GIC
KVM: x86/mmu: Update number of zapped pages even if page list is stable
projects / people / ms / linux.git / log
