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authorRafael J. Wysocki <[email protected]>2015-10-09 22:13:30 +0200
committerRafael J. Wysocki <[email protected]>2015-10-09 22:13:30 +0200
commit670aee3fc7ac37ae947f8b582d87b51d5fa36524 (patch)
tree9885998483d4506208e5aef9c13c8a86adea20bb /arch/x86/kernel/process_64.c
parentd61e87ac53292a3138b4354b687558973686b6ca (diff)
parent55582bccdc1e89ecc973c260d46e247df675d4df (diff)
Merge branches 'pm-devfreq' and 'pm-cpufreq'
* pm-devfreq: PM / devfreq: fix double kfree PM / devfreq: Fix governor_store() * pm-cpufreq: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3c1bbcf12924..b35921a670b2 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -499,30 +499,6 @@ void set_personality_ia32(bool x32)
}
EXPORT_SYMBOL_GPL(set_personality_ia32);
-unsigned long get_wchan(struct task_struct *p)
-{
- unsigned long stack;
- u64 fp, ip;
- int count = 0;
-
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
- stack = (unsigned long)task_stack_page(p);
- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
- return 0;
- fp = *(u64 *)(p->thread.sp);
- do {
- if (fp < (unsigned long)stack ||
- fp >= (unsigned long)stack+THREAD_SIZE)
- return 0;
- ip = *(u64 *)(fp+8);
- if (!in_sched_functions(ip))
- return ip;
- fp = *(u64 *)fp;
- } while (count++ < 16);
- return 0;
-}
-
long do_arch_prctl(struct task_struct *task, int code, unsigned long addr)
{
int ret = 0;