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| author | Dave Airlie <airlied@redhat.com> | 2012-09-19 01:12:41 (GMT) |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2012-09-19 09:59:26 (GMT) |
| commit | 87229ad9de079cb12ee09a3dc16113c390b729d5 (patch) | |
| tree | 3f2a198c4c69346656611fe284c17f8a42080541 /crypto/lrw.c | |
| parent | f2032d413a2d47089f2b3f8fdd0e344a04de8195 (diff) | |
| download | linux-fsl-qoriq-87229ad9de079cb12ee09a3dc16113c390b729d5.tar.xz | |
drm: micro optimise cache flushing
We hit this a lot with i915 and although we'd like to engineer things to hit
it a lot less, this commit at least makes it consume a few less cycles.
from something containing
movzwl 0x0(%rip),%r10d
to
add %r8,%rdx
I only noticed it while using perf to profile something else.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'crypto/lrw.c')
0 files changed, 0 insertions, 0 deletions