Merge remote-tracking branches 'asoc/fix/tlv320aic3x' and 'asoc/fix/wm8962' into...

[linux-drm-fsl-dcu.git] / arch / x86 / kernel / process_32.c

diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index c13df2c735f82765015a4924b08aed9904c27419..737527b40e5bf40bb1e757b635cc30994db911bd 100644 (file)
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -324,31 +324,3 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 
        return prev_p;
 }
-
-#define top_esp                (THREAD_SIZE - sizeof(unsigned long))
-#define top_ebp                (THREAD_SIZE - 2*sizeof(unsigned long))
-
-unsigned long get_wchan(struct task_struct *p)
-{
-       unsigned long bp, sp, ip;
-       unsigned long stack_page;
-       int count = 0;
-       if (!p || p == current || p->state == TASK_RUNNING)
-               return 0;
-       stack_page = (unsigned long)task_stack_page(p);
-       sp = p->thread.sp;
-       if (!stack_page || sp < stack_page || sp > top_esp+stack_page)
-               return 0;
-       /* include/asm-i386/system.h:switch_to() pushes bp last. */
-       bp = *(unsigned long *) sp;
-       do {
-               if (bp < stack_page || bp > top_ebp+stack_page)
-                       return 0;
-               ip = *(unsigned long *) (bp+4);
-               if (!in_sched_functions(ip))
-                       return ip;
-               bp = *(unsigned long *) bp;
-       } while (count++ < 16);
-       return 0;
-}
-