If clflushopt is available on the system, use it instead of clflush in drm_clflush_virt_range.
Signed-off-by: Ross Zwisler <[email protected]> Cc: H Peter Anvin <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> --- drivers/gpu/drm/drm_cache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index c518fb6..534cb89 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; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
