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arm64: Add 'notrace' attribute to unwind_frame() for ftrace
author
AKASHI Takahiro
<takahiro.akashi@linaro.org>
Sat, 15 Mar 2014 05:40:43 +0000
(14:40 +0900)
committer
Mark Brown
<broonie@linaro.org>
Fri, 30 May 2014 17:15:42 +0000
(18:15 +0100)
walk_stackframe() calls unwind_frame(), and if walk_stackframe() is
"notrace", unwind_frame() should be also "notrace".
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
arch/arm64/kernel/stacktrace.c
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diff --git
a/arch/arm64/kernel/stacktrace.c
b/arch/arm64/kernel/stacktrace.c
index d25459ff57fc18c387ad9a1d7130f0934dbbfc8e..03dd5a2e2435432893dfecc3691a6bf3e0872ac8 100644
(file)
--- a/
arch/arm64/kernel/stacktrace.c
+++ b/
arch/arm64/kernel/stacktrace.c
@@
-35,7
+35,7
@@
* ldp x29, x30, [sp]
* add sp, sp, #0x10
*/
-int unwind_frame(struct stackframe *frame)
+int
notrace
unwind_frame(struct stackframe *frame)
{
unsigned long high, low;
unsigned long fp = frame->fp;