Merge tag 'powerpc-4.3-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[karo-tx-linux.git] / arch / x86 / kernel / process_64.c

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3c1bbcf129245aa7909708af46489d73f2e9c297..b35921a670b25b03878e3f9ac2e96abfae0e910c 100644 (file)
--- 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;