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author | David S. Miller <davem@davemloft.net> | 2015-02-18 02:48:51 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2015-02-18 02:48:51 (GMT) |
commit | fece13ca005a5f559147e9424321f4b5e01272b4 (patch) | |
tree | 54e762e70afb664d14152e6bcf89a48be3fb9c13 /drivers/gpu/drm/drm_cache.c | |
parent | 855e7e7174bade3f2b63077a81eea5aab525dbf6 (diff) | |
parent | f5af19d10d151c5a2afae3306578f485c244db25 (diff) | |
download | linux-fece13ca005a5f559147e9424321f4b5e01272b4.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/gpu/drm/drm_cache.c')
-rw-r--r-- | drivers/gpu/drm/drm_cache.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index a6b6906..9a62d7a 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -32,6 +32,7 @@ #include <drm/drmP.h> #if defined(CONFIG_X86) +#include <asm/smp.h> /* * clflushopt is an unordered instruction which needs fencing with mfence or @@ -64,12 +65,6 @@ static void drm_cache_flush_clflush(struct page *pages[], drm_clflush_page(*pages++); mb(); } - -static void -drm_clflush_ipi_handler(void *null) -{ - wbinvd(); -} #endif void @@ -82,7 +77,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #elif defined(__powerpc__) @@ -121,7 +116,7 @@ drm_clflush_sg(struct sg_table *st) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #else printk(KERN_ERR "Architecture has no drm_cache.c support\n"); @@ -144,7 +139,7 @@ drm_clflush_virt_range(void *addr, unsigned long length) return; } - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) + if (wbinvd_on_all_cpus()) printk(KERN_ERR "Timed out waiting for cache flush.\n"); #else printk(KERN_ERR "Architecture has no drm_cache.c support\n"); |