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authorRoss Zwisler <ross.zwisler@linux.intel.com>2014-02-26 23:06:52 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2014-02-27 20:26:31 +0400
commit2a0788dc9bc46789ec98aea0f30c6fb420196b12 (patch)
tree3f88e9ce41c9e43be9398c331ef6ec5a1db88bd1 /drivers/gpu/drm/drm_cache.c
parent2a0c772f1967565d5b71a98012e74d5a7bddc1c4 (diff)
downloadlinux-2a0788dc9bc46789ec98aea0f30c6fb420196b12.tar.xz
x86: Use clflushopt in drm_clflush_virt_range
If clflushopt is available on the system, use it instead of clflush in drm_clflush_virt_range. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Link: http://lkml.kernel.org/r/1393441612-19729-5-git-send-email-ross.zwisler@linux.intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_cache.c')
-rw-r--r--drivers/gpu/drm/drm_cache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index c518fb6cfb63..534cb89b160d 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -139,7 +139,7 @@ drm_clflush_virt_range(char *addr, unsigned long length)
mb();
for (; addr < end; addr += boot_cpu_data.x86_clflush_size)
clflush(addr);
- clflush(end - 1);
+ clflushopt(end - 1);
mb();
return;
}