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x86/cpufeature: Remove cpu_has_clflush

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Use the fast variant in the DRM code.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Link: http://lkml.kernel.org/r/1459266123-21878-7-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Borislav Petkov
2016-03-29 17:41:59 +02:00
committed by Ingo Molnar
parent b8291adc19
commit 906bf7fda2
6 changed files with 7 additions and 8 deletions
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6
drivers/gpu/drm/drm_cache.c
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@@ -72,7 +72,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
{
#if defined(CONFIG_X86)
if (cpu_has_clflush) {
if (static_cpu_has(X86_FEATURE_CLFLUSH)) {
drm_cache_flush_clflush(pages, num_pages);
return;
}
@@ -105,7 +105,7 @@ void
drm_clflush_sg(struct sg_table *st)
{
#if defined(CONFIG_X86)
if (cpu_has_clflush) {
if (static_cpu_has(X86_FEATURE_CLFLUSH)) {
struct sg_page_iter sg_iter;
mb();
@@ -129,7 +129,7 @@ void
drm_clflush_virt_range(void *addr, unsigned long length)
{
#if defined(CONFIG_X86)
if (cpu_has_clflush) {
if (static_cpu_has(X86_FEATURE_CLFLUSH)) {
const int size = boot_cpu_data.x86_clflush_size;
void *end = addr + length;
addr = (void *)(((unsigned long)addr) & -size);