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| author |   Andi Kleen <ak@suse.de> | 2006-01-11 22:44:45 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:04:55 -0800 |
| commit | 2cbc9ee35c992f88fb2558a4f13920e3df4ef3bb (patch) | |
| tree | 51bed27fe9050cae3e7de2d24f55874455316ab2 /sound/oss | |
| parent | [PATCH] x86_64: Use function pointers to call DMA mapping functions (diff) | |
| download | linux-dev-2cbc9ee35c992f88fb2558a4f13920e3df4ef3bb.tar.xz linux-dev-2cbc9ee35c992f88fb2558a4f13920e3df4ef3bb.zip | |
[PATCH] x86_64: Clean up copy_*_user
- Remove optimization for old B stepping Opteron
- Make the fast path for copies with a multiple of eight length faster.
- Minor instruction rearrangement to hopefully avoid a pipeline
stall or two.
- Add comment about errata to consider.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound/oss')
0 files changed, 0 insertions, 0 deletions