| From | lizf@kernel ... | Subject | [PATCH 3.4 169/177] MIPS: oprofile: Fix backtrace on 64-bit kernel | Date | Wed, 28 Jan 2015 12:10:27 +0800 |
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From: Aaro Koskinen <aaro.koskinen@nsn.com>
3.4.106-rc1 review patch. If anyone has any objections, please let me know.
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commit bbaf113a481b6ce32444c125807ad3618643ce57 upstream.
Fix incorrect cast that always results in wrong address for the new frame on 64-bit kernels.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nsn.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8110/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Zefan Li <lizefan@huawei.com> --- arch/mips/oprofile/backtrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c index 6854ed5..83a1dfd 100644 --- a/arch/mips/oprofile/backtrace.c +++ b/arch/mips/oprofile/backtrace.c @@ -92,7 +92,7 @@ static inline int unwind_user_frame(struct stackframe *old_frame, /* This marks the end of the previous function, which means we overran. */ break; - stack_size = (unsigned) stack_adjustment; + stack_size = (unsigned long) stack_adjustment; } else if (is_ra_save_ins(&ip)) { int ra_slot = ip.i_format.simmediate; if (ra_slot < 0) -- 1.9.1
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