Messages in this thread Patch in this message |  | | | From | Masami Hiramatsu <> | | Subject | [PATCH -tip] [Cleanup] x86/x86-64: Remove unused thread_return label from switch_to() | | Date | Thu, 05 Nov 2009 11:03:59 -0500 |
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Remove unused thread_return label from switch_to() macro on x86-64. Since this symbol cuts into schedule(), backtrace at the latter half of schedule() was always shown as thread_return().
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> --- arch/x86/include/asm/system.h | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index f08f973..1a953e2 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -128,8 +128,6 @@ do { \ "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ "movq %P[threadrsp](%[next]),%%rsp\n\t" /* restore RSP */ \ "call __switch_to\n\t" \ - ".globl thread_return\n" \ - "thread_return:\n\t" \ "movq "__percpu_arg([current_task])",%%rsi\n\t" \ __switch_canary \ "movq %P[thread_info](%%rsi),%%r8\n\t" \
-- Masami Hiramatsu
Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division
e-mail: mhiramat@redhat.com
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