+++ /dev/null
-From e5c6b312ce3cc97e90ea159446e6bfa06645364d Mon Sep 17 00:00:00 2001
-From: Kevin Hao <haokexin@gmail.com>
-Date: Thu, 5 Aug 2021 15:29:17 +0800
-Subject: cpufreq: schedutil: Use kobject release() method to free sugov_tunables
-
-From: Kevin Hao <haokexin@gmail.com>
-
-commit e5c6b312ce3cc97e90ea159446e6bfa06645364d upstream.
-
-The struct sugov_tunables is protected by the kobject, so we can't free
-it directly. Otherwise we would get a call trace like this:
- ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x30
- WARNING: CPU: 3 PID: 720 at lib/debugobjects.c:505 debug_print_object+0xb8/0x100
- Modules linked in:
- CPU: 3 PID: 720 Comm: a.sh Tainted: G W 5.14.0-rc1-next-20210715-yocto-standard+ #507
- Hardware name: Marvell OcteonTX CN96XX board (DT)
- pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
- pc : debug_print_object+0xb8/0x100
- lr : debug_print_object+0xb8/0x100
- sp : ffff80001ecaf910
- x29: ffff80001ecaf910 x28: ffff00011b10b8d0 x27: ffff800011043d80
- x26: ffff00011a8f0000 x25: ffff800013cb3ff0 x24: 0000000000000000
- x23: ffff80001142aa68 x22: ffff800011043d80 x21: ffff00010de46f20
- x20: ffff800013c0c520 x19: ffff800011d8f5b0 x18: 0000000000000010
- x17: 6e6968207473696c x16: 5f72656d6974203a x15: 6570797420746365
- x14: 6a626f2029302065 x13: 303378302f307830 x12: 2b6e665f72656d69
- x11: ffff8000124b1560 x10: ffff800012331520 x9 : ffff8000100ca6b0
- x8 : 000000000017ffe8 x7 : c0000000fffeffff x6 : 0000000000000001
- x5 : ffff800011d8c000 x4 : ffff800011d8c740 x3 : 0000000000000000
- x2 : ffff0001108301c0 x1 : ab3c90eedf9c0f00 x0 : 0000000000000000
- Call trace:
- debug_print_object+0xb8/0x100
- __debug_check_no_obj_freed+0x1c0/0x230
- debug_check_no_obj_freed+0x20/0x88
- slab_free_freelist_hook+0x154/0x1c8
- kfree+0x114/0x5d0
- sugov_exit+0xbc/0xc0
- cpufreq_exit_governor+0x44/0x90
- cpufreq_set_policy+0x268/0x4a8
- store_scaling_governor+0xe0/0x128
- store+0xc0/0xf0
- sysfs_kf_write+0x54/0x80
- kernfs_fop_write_iter+0x128/0x1c0
- new_sync_write+0xf0/0x190
- vfs_write+0x2d4/0x478
- ksys_write+0x74/0x100
- __arm64_sys_write+0x24/0x30
- invoke_syscall.constprop.0+0x54/0xe0
- do_el0_svc+0x64/0x158
- el0_svc+0x2c/0xb0
- el0t_64_sync_handler+0xb0/0xb8
- el0t_64_sync+0x198/0x19c
- irq event stamp: 5518
- hardirqs last enabled at (5517): [<ffff8000100cbd7c>] console_unlock+0x554/0x6c8
- hardirqs last disabled at (5518): [<ffff800010fc0638>] el1_dbg+0x28/0xa0
- softirqs last enabled at (5504): [<ffff8000100106e0>] __do_softirq+0x4d0/0x6c0
- softirqs last disabled at (5483): [<ffff800010049548>] irq_exit+0x1b0/0x1b8
-
-So split the original sugov_tunables_free() into two functions,
-sugov_clear_global_tunables() is just used to clear the global_tunables
-and the new sugov_tunables_free() is used as kobj_type::release to
-release the sugov_tunables safely.
-
-Fixes: 9bdcb44e391d ("cpufreq: schedutil: New governor based on scheduler utilization data")
-Cc: 4.7+ <stable@vger.kernel.org> # 4.7+
-Signed-off-by: Kevin Hao <haokexin@gmail.com>
-Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- kernel/sched/cpufreq_schedutil.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/kernel/sched/cpufreq_schedutil.c
-+++ b/kernel/sched/cpufreq_schedutil.c
-@@ -610,9 +610,17 @@ static struct attribute *sugov_attrs[] =
- };
- ATTRIBUTE_GROUPS(sugov);
-
-+static void sugov_tunables_free(struct kobject *kobj)
-+{
-+ struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj);
-+
-+ kfree(to_sugov_tunables(attr_set));
-+}
-+
- static struct kobj_type sugov_tunables_ktype = {
- .default_groups = sugov_groups,
- .sysfs_ops = &governor_sysfs_ops,
-+ .release = &sugov_tunables_free,
- };
-
- /********************** cpufreq governor interface *********************/
-@@ -712,12 +720,10 @@ static struct sugov_tunables *sugov_tuna
- return tunables;
- }
-
--static void sugov_tunables_free(struct sugov_tunables *tunables)
-+static void sugov_clear_global_tunables(void)
- {
- if (!have_governor_per_policy())
- global_tunables = NULL;
--
-- kfree(tunables);
- }
-
- static int sugov_init(struct cpufreq_policy *policy)
-@@ -780,7 +786,7 @@ out:
- fail:
- kobject_put(&tunables->attr_set.kobj);
- policy->governor_data = NULL;
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- stop_kthread:
- sugov_kthread_stop(sg_policy);
-@@ -807,7 +813,7 @@ static void sugov_exit(struct cpufreq_po
- count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
- policy->governor_data = NULL;
- if (!count)
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- mutex_unlock(&global_tunables_lock);
-
crypto-public_key-fix-overflow-during-implicit-conversion.patch
block-bfq-fix-bfq_set_next_ioprio_data.patch
power-supply-max17042-handle-fails-of-reading-status-register.patch
-cpufreq-schedutil-use-kobject-release-method-to-free-sugov_tunables.patch
dm-crypt-avoid-percpu_counter-spinlock-contention-in-crypt_page_alloc.patch
crypto-ccp-shutdown-sev-firmware-on-kexec.patch
vmci-fix-null-pointer-dereference-when-unmapping-queue-pair.patch
+++ /dev/null
-From e5c6b312ce3cc97e90ea159446e6bfa06645364d Mon Sep 17 00:00:00 2001
-From: Kevin Hao <haokexin@gmail.com>
-Date: Thu, 5 Aug 2021 15:29:17 +0800
-Subject: cpufreq: schedutil: Use kobject release() method to free sugov_tunables
-
-From: Kevin Hao <haokexin@gmail.com>
-
-commit e5c6b312ce3cc97e90ea159446e6bfa06645364d upstream.
-
-The struct sugov_tunables is protected by the kobject, so we can't free
-it directly. Otherwise we would get a call trace like this:
- ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x30
- WARNING: CPU: 3 PID: 720 at lib/debugobjects.c:505 debug_print_object+0xb8/0x100
- Modules linked in:
- CPU: 3 PID: 720 Comm: a.sh Tainted: G W 5.14.0-rc1-next-20210715-yocto-standard+ #507
- Hardware name: Marvell OcteonTX CN96XX board (DT)
- pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
- pc : debug_print_object+0xb8/0x100
- lr : debug_print_object+0xb8/0x100
- sp : ffff80001ecaf910
- x29: ffff80001ecaf910 x28: ffff00011b10b8d0 x27: ffff800011043d80
- x26: ffff00011a8f0000 x25: ffff800013cb3ff0 x24: 0000000000000000
- x23: ffff80001142aa68 x22: ffff800011043d80 x21: ffff00010de46f20
- x20: ffff800013c0c520 x19: ffff800011d8f5b0 x18: 0000000000000010
- x17: 6e6968207473696c x16: 5f72656d6974203a x15: 6570797420746365
- x14: 6a626f2029302065 x13: 303378302f307830 x12: 2b6e665f72656d69
- x11: ffff8000124b1560 x10: ffff800012331520 x9 : ffff8000100ca6b0
- x8 : 000000000017ffe8 x7 : c0000000fffeffff x6 : 0000000000000001
- x5 : ffff800011d8c000 x4 : ffff800011d8c740 x3 : 0000000000000000
- x2 : ffff0001108301c0 x1 : ab3c90eedf9c0f00 x0 : 0000000000000000
- Call trace:
- debug_print_object+0xb8/0x100
- __debug_check_no_obj_freed+0x1c0/0x230
- debug_check_no_obj_freed+0x20/0x88
- slab_free_freelist_hook+0x154/0x1c8
- kfree+0x114/0x5d0
- sugov_exit+0xbc/0xc0
- cpufreq_exit_governor+0x44/0x90
- cpufreq_set_policy+0x268/0x4a8
- store_scaling_governor+0xe0/0x128
- store+0xc0/0xf0
- sysfs_kf_write+0x54/0x80
- kernfs_fop_write_iter+0x128/0x1c0
- new_sync_write+0xf0/0x190
- vfs_write+0x2d4/0x478
- ksys_write+0x74/0x100
- __arm64_sys_write+0x24/0x30
- invoke_syscall.constprop.0+0x54/0xe0
- do_el0_svc+0x64/0x158
- el0_svc+0x2c/0xb0
- el0t_64_sync_handler+0xb0/0xb8
- el0t_64_sync+0x198/0x19c
- irq event stamp: 5518
- hardirqs last enabled at (5517): [<ffff8000100cbd7c>] console_unlock+0x554/0x6c8
- hardirqs last disabled at (5518): [<ffff800010fc0638>] el1_dbg+0x28/0xa0
- softirqs last enabled at (5504): [<ffff8000100106e0>] __do_softirq+0x4d0/0x6c0
- softirqs last disabled at (5483): [<ffff800010049548>] irq_exit+0x1b0/0x1b8
-
-So split the original sugov_tunables_free() into two functions,
-sugov_clear_global_tunables() is just used to clear the global_tunables
-and the new sugov_tunables_free() is used as kobj_type::release to
-release the sugov_tunables safely.
-
-Fixes: 9bdcb44e391d ("cpufreq: schedutil: New governor based on scheduler utilization data")
-Cc: 4.7+ <stable@vger.kernel.org> # 4.7+
-Signed-off-by: Kevin Hao <haokexin@gmail.com>
-Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- kernel/sched/cpufreq_schedutil.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/kernel/sched/cpufreq_schedutil.c
-+++ b/kernel/sched/cpufreq_schedutil.c
-@@ -536,9 +536,17 @@ static struct attribute *sugov_attrs[] =
- };
- ATTRIBUTE_GROUPS(sugov);
-
-+static void sugov_tunables_free(struct kobject *kobj)
-+{
-+ struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj);
-+
-+ kfree(to_sugov_tunables(attr_set));
-+}
-+
- static struct kobj_type sugov_tunables_ktype = {
- .default_groups = sugov_groups,
- .sysfs_ops = &governor_sysfs_ops,
-+ .release = &sugov_tunables_free,
- };
-
- /********************** cpufreq governor interface *********************/
-@@ -638,12 +646,10 @@ static struct sugov_tunables *sugov_tuna
- return tunables;
- }
-
--static void sugov_tunables_free(struct sugov_tunables *tunables)
-+static void sugov_clear_global_tunables(void)
- {
- if (!have_governor_per_policy())
- global_tunables = NULL;
--
-- kfree(tunables);
- }
-
- static int sugov_init(struct cpufreq_policy *policy)
-@@ -706,7 +712,7 @@ out:
- fail:
- kobject_put(&tunables->attr_set.kobj);
- policy->governor_data = NULL;
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- stop_kthread:
- sugov_kthread_stop(sg_policy);
-@@ -733,7 +739,7 @@ static void sugov_exit(struct cpufreq_po
- count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
- policy->governor_data = NULL;
- if (!count)
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- mutex_unlock(&global_tunables_lock);
-
crypto-public_key-fix-overflow-during-implicit-conversion.patch
block-bfq-fix-bfq_set_next_ioprio_data.patch
power-supply-max17042-handle-fails-of-reading-status-register.patch
-cpufreq-schedutil-use-kobject-release-method-to-free-sugov_tunables.patch
dm-crypt-avoid-percpu_counter-spinlock-contention-in-crypt_page_alloc.patch
crypto-ccp-shutdown-sev-firmware-on-kexec.patch
spi-fsi-reduce-max-transfer-size-to-8-bytes.patch
+++ /dev/null
-From e5c6b312ce3cc97e90ea159446e6bfa06645364d Mon Sep 17 00:00:00 2001
-From: Kevin Hao <haokexin@gmail.com>
-Date: Thu, 5 Aug 2021 15:29:17 +0800
-Subject: cpufreq: schedutil: Use kobject release() method to free sugov_tunables
-
-From: Kevin Hao <haokexin@gmail.com>
-
-commit e5c6b312ce3cc97e90ea159446e6bfa06645364d upstream.
-
-The struct sugov_tunables is protected by the kobject, so we can't free
-it directly. Otherwise we would get a call trace like this:
- ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x30
- WARNING: CPU: 3 PID: 720 at lib/debugobjects.c:505 debug_print_object+0xb8/0x100
- Modules linked in:
- CPU: 3 PID: 720 Comm: a.sh Tainted: G W 5.14.0-rc1-next-20210715-yocto-standard+ #507
- Hardware name: Marvell OcteonTX CN96XX board (DT)
- pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
- pc : debug_print_object+0xb8/0x100
- lr : debug_print_object+0xb8/0x100
- sp : ffff80001ecaf910
- x29: ffff80001ecaf910 x28: ffff00011b10b8d0 x27: ffff800011043d80
- x26: ffff00011a8f0000 x25: ffff800013cb3ff0 x24: 0000000000000000
- x23: ffff80001142aa68 x22: ffff800011043d80 x21: ffff00010de46f20
- x20: ffff800013c0c520 x19: ffff800011d8f5b0 x18: 0000000000000010
- x17: 6e6968207473696c x16: 5f72656d6974203a x15: 6570797420746365
- x14: 6a626f2029302065 x13: 303378302f307830 x12: 2b6e665f72656d69
- x11: ffff8000124b1560 x10: ffff800012331520 x9 : ffff8000100ca6b0
- x8 : 000000000017ffe8 x7 : c0000000fffeffff x6 : 0000000000000001
- x5 : ffff800011d8c000 x4 : ffff800011d8c740 x3 : 0000000000000000
- x2 : ffff0001108301c0 x1 : ab3c90eedf9c0f00 x0 : 0000000000000000
- Call trace:
- debug_print_object+0xb8/0x100
- __debug_check_no_obj_freed+0x1c0/0x230
- debug_check_no_obj_freed+0x20/0x88
- slab_free_freelist_hook+0x154/0x1c8
- kfree+0x114/0x5d0
- sugov_exit+0xbc/0xc0
- cpufreq_exit_governor+0x44/0x90
- cpufreq_set_policy+0x268/0x4a8
- store_scaling_governor+0xe0/0x128
- store+0xc0/0xf0
- sysfs_kf_write+0x54/0x80
- kernfs_fop_write_iter+0x128/0x1c0
- new_sync_write+0xf0/0x190
- vfs_write+0x2d4/0x478
- ksys_write+0x74/0x100
- __arm64_sys_write+0x24/0x30
- invoke_syscall.constprop.0+0x54/0xe0
- do_el0_svc+0x64/0x158
- el0_svc+0x2c/0xb0
- el0t_64_sync_handler+0xb0/0xb8
- el0t_64_sync+0x198/0x19c
- irq event stamp: 5518
- hardirqs last enabled at (5517): [<ffff8000100cbd7c>] console_unlock+0x554/0x6c8
- hardirqs last disabled at (5518): [<ffff800010fc0638>] el1_dbg+0x28/0xa0
- softirqs last enabled at (5504): [<ffff8000100106e0>] __do_softirq+0x4d0/0x6c0
- softirqs last disabled at (5483): [<ffff800010049548>] irq_exit+0x1b0/0x1b8
-
-So split the original sugov_tunables_free() into two functions,
-sugov_clear_global_tunables() is just used to clear the global_tunables
-and the new sugov_tunables_free() is used as kobj_type::release to
-release the sugov_tunables safely.
-
-Fixes: 9bdcb44e391d ("cpufreq: schedutil: New governor based on scheduler utilization data")
-Cc: 4.7+ <stable@vger.kernel.org> # 4.7+
-Signed-off-by: Kevin Hao <haokexin@gmail.com>
-Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- kernel/sched/cpufreq_schedutil.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/kernel/sched/cpufreq_schedutil.c
-+++ b/kernel/sched/cpufreq_schedutil.c
-@@ -537,9 +537,17 @@ static struct attribute *sugov_attrs[] =
- };
- ATTRIBUTE_GROUPS(sugov);
-
-+static void sugov_tunables_free(struct kobject *kobj)
-+{
-+ struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj);
-+
-+ kfree(to_sugov_tunables(attr_set));
-+}
-+
- static struct kobj_type sugov_tunables_ktype = {
- .default_groups = sugov_groups,
- .sysfs_ops = &governor_sysfs_ops,
-+ .release = &sugov_tunables_free,
- };
-
- /********************** cpufreq governor interface *********************/
-@@ -639,12 +647,10 @@ static struct sugov_tunables *sugov_tuna
- return tunables;
- }
-
--static void sugov_tunables_free(struct sugov_tunables *tunables)
-+static void sugov_clear_global_tunables(void)
- {
- if (!have_governor_per_policy())
- global_tunables = NULL;
--
-- kfree(tunables);
- }
-
- static int sugov_init(struct cpufreq_policy *policy)
-@@ -707,7 +713,7 @@ out:
- fail:
- kobject_put(&tunables->attr_set.kobj);
- policy->governor_data = NULL;
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- stop_kthread:
- sugov_kthread_stop(sg_policy);
-@@ -734,7 +740,7 @@ static void sugov_exit(struct cpufreq_po
- count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
- policy->governor_data = NULL;
- if (!count)
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- mutex_unlock(&global_tunables_lock);
-
crypto-public_key-fix-overflow-during-implicit-conversion.patch
block-bfq-fix-bfq_set_next_ioprio_data.patch
power-supply-max17042-handle-fails-of-reading-status-register.patch
-cpufreq-schedutil-use-kobject-release-method-to-free-sugov_tunables.patch
dm-crypt-avoid-percpu_counter-spinlock-contention-in-crypt_page_alloc.patch
crypto-ccp-shutdown-sev-firmware-on-kexec.patch
spi-fsi-reduce-max-transfer-size-to-8-bytes.patch
+++ /dev/null
-From e5c6b312ce3cc97e90ea159446e6bfa06645364d Mon Sep 17 00:00:00 2001
-From: Kevin Hao <haokexin@gmail.com>
-Date: Thu, 5 Aug 2021 15:29:17 +0800
-Subject: cpufreq: schedutil: Use kobject release() method to free sugov_tunables
-
-From: Kevin Hao <haokexin@gmail.com>
-
-commit e5c6b312ce3cc97e90ea159446e6bfa06645364d upstream.
-
-The struct sugov_tunables is protected by the kobject, so we can't free
-it directly. Otherwise we would get a call trace like this:
- ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x30
- WARNING: CPU: 3 PID: 720 at lib/debugobjects.c:505 debug_print_object+0xb8/0x100
- Modules linked in:
- CPU: 3 PID: 720 Comm: a.sh Tainted: G W 5.14.0-rc1-next-20210715-yocto-standard+ #507
- Hardware name: Marvell OcteonTX CN96XX board (DT)
- pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
- pc : debug_print_object+0xb8/0x100
- lr : debug_print_object+0xb8/0x100
- sp : ffff80001ecaf910
- x29: ffff80001ecaf910 x28: ffff00011b10b8d0 x27: ffff800011043d80
- x26: ffff00011a8f0000 x25: ffff800013cb3ff0 x24: 0000000000000000
- x23: ffff80001142aa68 x22: ffff800011043d80 x21: ffff00010de46f20
- x20: ffff800013c0c520 x19: ffff800011d8f5b0 x18: 0000000000000010
- x17: 6e6968207473696c x16: 5f72656d6974203a x15: 6570797420746365
- x14: 6a626f2029302065 x13: 303378302f307830 x12: 2b6e665f72656d69
- x11: ffff8000124b1560 x10: ffff800012331520 x9 : ffff8000100ca6b0
- x8 : 000000000017ffe8 x7 : c0000000fffeffff x6 : 0000000000000001
- x5 : ffff800011d8c000 x4 : ffff800011d8c740 x3 : 0000000000000000
- x2 : ffff0001108301c0 x1 : ab3c90eedf9c0f00 x0 : 0000000000000000
- Call trace:
- debug_print_object+0xb8/0x100
- __debug_check_no_obj_freed+0x1c0/0x230
- debug_check_no_obj_freed+0x20/0x88
- slab_free_freelist_hook+0x154/0x1c8
- kfree+0x114/0x5d0
- sugov_exit+0xbc/0xc0
- cpufreq_exit_governor+0x44/0x90
- cpufreq_set_policy+0x268/0x4a8
- store_scaling_governor+0xe0/0x128
- store+0xc0/0xf0
- sysfs_kf_write+0x54/0x80
- kernfs_fop_write_iter+0x128/0x1c0
- new_sync_write+0xf0/0x190
- vfs_write+0x2d4/0x478
- ksys_write+0x74/0x100
- __arm64_sys_write+0x24/0x30
- invoke_syscall.constprop.0+0x54/0xe0
- do_el0_svc+0x64/0x158
- el0_svc+0x2c/0xb0
- el0t_64_sync_handler+0xb0/0xb8
- el0t_64_sync+0x198/0x19c
- irq event stamp: 5518
- hardirqs last enabled at (5517): [<ffff8000100cbd7c>] console_unlock+0x554/0x6c8
- hardirqs last disabled at (5518): [<ffff800010fc0638>] el1_dbg+0x28/0xa0
- softirqs last enabled at (5504): [<ffff8000100106e0>] __do_softirq+0x4d0/0x6c0
- softirqs last disabled at (5483): [<ffff800010049548>] irq_exit+0x1b0/0x1b8
-
-So split the original sugov_tunables_free() into two functions,
-sugov_clear_global_tunables() is just used to clear the global_tunables
-and the new sugov_tunables_free() is used as kobj_type::release to
-release the sugov_tunables safely.
-
-Fixes: 9bdcb44e391d ("cpufreq: schedutil: New governor based on scheduler utilization data")
-Cc: 4.7+ <stable@vger.kernel.org> # 4.7+
-Signed-off-by: Kevin Hao <haokexin@gmail.com>
-Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- kernel/sched/cpufreq_schedutil.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/kernel/sched/cpufreq_schedutil.c
-+++ b/kernel/sched/cpufreq_schedutil.c
-@@ -624,9 +624,17 @@ static struct attribute *sugov_attrs[] =
- };
- ATTRIBUTE_GROUPS(sugov);
-
-+static void sugov_tunables_free(struct kobject *kobj)
-+{
-+ struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj);
-+
-+ kfree(to_sugov_tunables(attr_set));
-+}
-+
- static struct kobj_type sugov_tunables_ktype = {
- .default_groups = sugov_groups,
- .sysfs_ops = &governor_sysfs_ops,
-+ .release = &sugov_tunables_free,
- };
-
- /********************** cpufreq governor interface *********************/
-@@ -726,12 +734,10 @@ static struct sugov_tunables *sugov_tuna
- return tunables;
- }
-
--static void sugov_tunables_free(struct sugov_tunables *tunables)
-+static void sugov_clear_global_tunables(void)
- {
- if (!have_governor_per_policy())
- global_tunables = NULL;
--
-- kfree(tunables);
- }
-
- static int sugov_init(struct cpufreq_policy *policy)
-@@ -794,7 +800,7 @@ out:
- fail:
- kobject_put(&tunables->attr_set.kobj);
- policy->governor_data = NULL;
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- stop_kthread:
- sugov_kthread_stop(sg_policy);
-@@ -821,7 +827,7 @@ static void sugov_exit(struct cpufreq_po
- count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
- policy->governor_data = NULL;
- if (!count)
-- sugov_tunables_free(tunables);
-+ sugov_clear_global_tunables();
-
- mutex_unlock(&global_tunables_lock);
-
crypto-public_key-fix-overflow-during-implicit-conversion.patch
block-bfq-fix-bfq_set_next_ioprio_data.patch
power-supply-max17042-handle-fails-of-reading-status-register.patch
-cpufreq-schedutil-use-kobject-release-method-to-free-sugov_tunables.patch
dm-crypt-avoid-percpu_counter-spinlock-contention-in-crypt_page_alloc.patch
vmci-fix-null-pointer-dereference-when-unmapping-queue-pair.patch
media-uvc-don-t-do-dma-on-stack.patch
projects / thirdparty / kernel / stable-queue.git / commitdiff
