This is a note to let you know that I've just added the patch titled
intel_pstate: Don't lose sysfs settings during cpu offline
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
intel_pstate-don-t-lose-sysfs-settings-during-cpu-offline.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c034871712730a33e0267095f48b62eae958499c Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
Date: Mon, 13 Oct 2014 08:37:42 -0700
Subject: intel_pstate: Don't lose sysfs settings during cpu offline
From: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
commit c034871712730a33e0267095f48b62eae958499c upstream.
The user may have custom settings don't destroy them during suspend.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=80651
Reported-by: Tobias Jakobi <liquid.acid@xxxxxxx>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/cpufreq/intel_pstate.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -702,7 +702,9 @@ static int intel_pstate_init_cpu(unsigne
{
struct cpudata *cpu;
- all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL);
+ if (!all_cpu_data[cpunum])
+ all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata),
+ GFP_KERNEL);
if (!all_cpu_data[cpunum])
return -ENOMEM;
@@ -783,8 +785,6 @@ static void intel_pstate_stop_cpu(struct
del_timer_sync(&all_cpu_data[cpu_num]->timer);
intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate);
- kfree(all_cpu_data[cpu_num]);
- all_cpu_data[cpu_num] = NULL;
}
static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
Patches currently in stable-queue which might be from dirk.j.brandewie@xxxxxxxxx are
queue-3.17/intel_pstate-fix-byt-frequency-reporting.patch
queue-3.17/cpufreq-expose-scaling_cur_freq-sysfs-file-for-set_policy-drivers.patch
queue-3.17/intel_pstate-don-t-lose-sysfs-settings-during-cpu-offline.patch
queue-3.17/cpufreq-intel_pstate-fix-setting-max_perf_pct-in-performance-policy.patch
queue-3.17/cpufreq-intel_pstate-reflect-current-no_turbo-state-correctly.patch
queue-3.17/intel_pstate-correct-byt-vid-values.patch
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