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| author | Ingo Molnar <mingo@kernel.org> | 2015-10-12 09:51:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-12 09:51:18 +0200 |
| commit | b9f27c0f4f7db9e5a4ba59228442a75d3177470c (patch) | |
| tree | 49ab61b7e06a5a592f3541e84d1b5908a1d8030f /arch/x86/kernel/process_32.c | |
| parent | 9fc4468d546b6eb55b0aa5b04b0c36238ebf57e7 (diff) | |
| parent | 25cb62b76430a91cc6195f902e61c2cb84ade622 (diff) | |
| download | kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.tar.gz kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.tar.bz2 kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.zip | |
Merge tag 'v4.3-rc5' into timers/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index c13df2c735f8..737527b40e5b 100644 --- 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; -} - |