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Power management fixes for 3.9-rc7

Browse Source 
- System reboot/halt fix related to CPU offline ordering
   from Huacai Chen.
 
 - intel_pstate driver fix for a delay time computation error
   occasionally crashing systems using it from Dirk Brandewie.
 
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Merge tag 'pm-3.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:

 - System reboot/halt fix related to CPU offline ordering from Huacai
   Chen.

 - intel_pstate driver fix for a delay time computation error
   occasionally crashing systems using it from Dirk Brandewie.

* tag 'pm-3.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / reboot: call syscore_shutdown() after disable_nonboot_cpus()
  cpufreq / intel_pstate: Set timer timeout correctly
This commit is contained in:
Linus Torvalds 2013-04-11 20:33:38 -07:00
commit a3ab02b4c5
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/cpufreq/intel_pstate.c
View File

@ -502,7 +502,6 @@ static inline void intel_pstate_set_sample_time(struct cpudata *cpu)
sample_time = cpu->pstate_policy->sample_rate_ms;
delay = msecs_to_jiffies(sample_time);
delay -= jiffies % delay;
mod_timer_pinned(&cpu->timer, jiffies + delay);
}

3
kernel/sys.c
View File

@ -324,7 +324,6 @@ void kernel_restart_prepare(char *cmd)
system_state = SYSTEM_RESTART;
usermodehelper_disable();
device_shutdown();
syscore_shutdown();
}
/**
@ -370,6 +369,7 @@ void kernel_restart(char *cmd)
{
kernel_restart_prepare(cmd);
disable_nonboot_cpus();
syscore_shutdown();
if (!cmd)
printk(KERN_EMERG "Restarting system.\n");
else
@ -395,6 +395,7 @@ static void kernel_shutdown_prepare(enum system_states state)
void kernel_halt(void)
{
kernel_shutdown_prepare(SYSTEM_HALT);
disable_nonboot_cpus();
syscore_shutdown();
printk(KERN_EMERG "System halted.\n");
kmsg_dump(KMSG_DUMP_HALT);