Messages in this thread | | | From | Doug Anderson <> | Date | Fri, 2 Apr 2021 14:45:27 -0700 | Subject | Re: [PATCH v2] drm/msm: Drop mm_lock in scan loop |
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Hi,
On Fri, Apr 2, 2021 at 2:08 PM Rob Clark <robdclark@gmail.com> wrote: > > From: Rob Clark <robdclark@chromium.org> > > lock_stat + mmm_donut[1] say that this reduces contention on mm_lock > significantly (~350x lower waittime-max, and ~100x lower waittime-avg) > > [1] https://chromium.googlesource.com/chromiumos/platform/microbenchmarks/+/refs/heads/main/mmm_donut.py > > Signed-off-by: Rob Clark <robdclark@chromium.org> > --- > drivers/gpu/drm/msm/msm_drv.h | 3 +- > drivers/gpu/drm/msm/msm_gem.c | 2 +- > drivers/gpu/drm/msm/msm_gem_shrinker.c | 48 ++++++++++++++++++++++---- > 3 files changed, 45 insertions(+), 8 deletions(-)
Looks good to me now!
Reviewed-by: Douglas Anderson <dianders@chromium.org>
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