* 18aa8a45 +1.03% kernel-size.text
@ 2014-11-17 4:01 Yuanhan Liu
0 siblings, 0 replies; only message in thread
From: Yuanhan Liu @ 2014-11-17 4:01 UTC (permalink / raw)
To: lkp
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Hi Kees,
JFYI, we noticed that your following commit make the kernel size a bit
larger: 1.03%
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git gcc-bug
perf change: 1.03% kernel-size.text
RESULT_ROOT: /result/wsm/boot/performance-1/debian-x86_64.cgz/x86_64-rhel/8562cc73288ff2f399625e2965b8f5cc644b5401/0
18aa8a45645640c7a44d15ebb7cb2270d3c23af8 is the first bad commit
commit 18aa8a45645640c7a44d15ebb7cb2270d3c23af8
Author: Kees Cook <keescook@chromium.org>
AuthorDate: Wed May 7 10:50:04 2014 -0700
Commit: Kees Cook <keescook@chromium.org>
CommitDate: Fri Nov 14 13:35:42 2014 -0800
build: re-enable size builtin for gcc 4.8 and later
Most cases of strict copy from/to user checking are caught by gcc
now. This re-enables it for gcc 4.8 and later so the gcc bug can be
explored.
Signed-off-by: Kees Cook <keescook@chromium.org>
include/linux/compiler-gcc4.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--yliu
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2014-11-17 4:01 18aa8a45 +1.03% kernel-size.text Yuanhan Liu
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