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| author | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 01:47:16 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-08-26 01:47:16 +0200 |
| commit | ab94fcf528d127fcb490175512a8910f37e5b346 (patch) | |
| tree | 6649ea39d0b085dbe143da9474870c46a6b78761 /arch/x86/Makefile | |
| parent | Merge commit 'origin/x86/urgent' into x86/asm (diff) | |
| download | linux-ab94fcf528d127fcb490175512a8910f37e5b346.tar.xz linux-ab94fcf528d127fcb490175512a8910f37e5b346.zip | |
x86: allow "=rm" in native_save_fl()
This is a partial revert of f1f029c7bfbf4ee1918b90a431ab823bed812504.
"=rm" is allowed in this context, because "pop" is explicitly defined
to adjust the stack pointer *before* it evaluates its effective
address, if it has one. Thus, we do end up writing to the correct
address even if we use an on-stack memory argument.
The original reporter for f1f029c7bfbf4ee1918b90a431ab823bed812504 was
apparently using a broken x86 simulator.
[ Impact: performance ]
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Gabe Black <spamforgabe@umich.edu>
Diffstat (limited to 'arch/x86/Makefile')
0 files changed, 0 insertions, 0 deletions