on_each_cpu always returns a hard coded return code of zero.
Removing all tests based on this return value saves run time
cycles for compares and code bloat for branches.
Signed-off-by: Gilad Ben-Yossef <gi...@benyossef.com>
Acked-by: Peter Zijlstra <a.p.zijls...@chello.nl>
Reviewed-by: Michal Nazarewicz <min...@mina86.com>
CC: David Airlie <airl...@linux.ie>
CC: dri-devel@lists.freedesktop.org
---
drivers/gpu/drm/drm_cache.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 5928653..668653c 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -75,8 +75,7 @@ drm_clflush_pages(struct page *pages[], unsigned long
num_pages)
return;
}
- if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
- printk(KERN_ERR "Timed out waiting for cache flush.\n");
+ on_each_cpu(drm_clflush_ipi_handler, NULL, 1);
#elif defined(__powerpc__)
unsigned long i;
--
1.7.0.4
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