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Date: Thu, 27 Feb 2014 08:30:48 -0800 From: tip-bot for Ross Zwisler <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org, ross.zwisler@...ux.intel.com, tglx@...utronix.de, hpa@...ux.intel.com Subject: [tip:x86/cpu] x86: Use clflushopt in drm_clflush_virt_range Commit-ID: 2a0788dc9bc46789ec98aea0f30c6fb420196b12 Gitweb: http://git.kernel.org/tip/2a0788dc9bc46789ec98aea0f30c6fb420196b12 Author: Ross Zwisler <ross.zwisler@...ux.intel.com> AuthorDate: Wed, 26 Feb 2014 12:06:52 -0700 Committer: H. Peter Anvin <hpa@...ux.intel.com> CommitDate: Thu, 27 Feb 2014 08:26:31 -0800 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@...ux.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@...ux.intel.com> --- 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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