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| author |   Glauber Costa <gcosta@redhat.com> | 2008-06-24 16:51:59 -0300 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-07-09 09:14:09 +0200 |
| commit | 663aa96df32af9c4141ef3179282f95c7537643a (patch) | |
| tree | fd8856815bea7ef8b6525f498cbc6f7dc2ded28e /include/linux/kernel.h | |
| parent | x86: pass argument to putuser_64 functions in ax register. (diff) | |
| download | wireguard-linux-663aa96df32af9c4141ef3179282f95c7537643a.tar.xz wireguard-linux-663aa96df32af9c4141ef3179282f95c7537643a.zip | |
x86: change testing logic in putuser_64.S.
Instead of operating over a register we need to put back
into normal state afterwards (the memory position), just
sub from rbx, which is trashed anyway. We can save a few instructions.
Also, this is the i386 way.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/kernel.h')
0 files changed, 0 insertions, 0 deletions