[PATCH 1/4] drm/radeon: use RCU query for GEM_BUSY syscall

On Fri, Jul 3, 2015 at 5:45 AM, Christian König wrote: > On 03.07.2015 01:54, Grigori Goronzy wrote: >> >> We don't need to call the (expensive) radeon_bo_wait, checking the >> fences via RCU is much faster. The reservation done by radeon_bo_wait >> does not save us from any race conditions. >>

[PATCH 1/4] drm/radeon: use RCU query for GEM_BUSY syscall

On 03.07.2015 01:54, Grigori Goronzy wrote: > We don't need to call the (expensive) radeon_bo_wait, checking the > fences via RCU is much faster. The reservation done by radeon_bo_wait > does not save us from any race conditions. > > Signed-off-by: Grigori Goronzy Patche #1-#3 are Reviewed-by: Ch

[PATCH 1/4] drm/radeon: use RCU query for GEM_BUSY syscall

We don't need to call the (expensive) radeon_bo_wait, checking the fences via RCU is much faster. The reservation done by radeon_bo_wait does not save us from any race conditions. Signed-off-by: Grigori Goronzy --- drivers/gpu/drm/radeon/radeon_gem.c | 11 --- 1 file changed, 8 insertion