diff options
| author | Ingo Molnar <[email protected]> | 2015-02-24 08:41:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-02-24 08:41:07 +0100 |
| commit | 2ae79026818e7d49fead82b79b1a543e3b9c8a23 (patch) | |
| tree | c7ee7bd8b37b0880918d361839fd95988fac2dac /drivers/gpu/drm/drm_cache.c | |
| parent | 1a99367023f6ac664365a37fa508b059e31d0e88 (diff) | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
Merge tag 'v4.0-rc1' into locking/core, to refresh the tree before merging new changes
Signed-off-by: Ingo Molnar <[email protected]>
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 a6b690626a6b..9a62d7a53553 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"); |