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authorTejun Heo <tj@kernel.org>2010-05-12 12:10:39 +0200
committerTejun Heo <tj@kernel.org>2010-05-12 12:10:39 +0200
commit308eb7add8adaca8088c28a3f7610069b70d1ad6 (patch)
treee6aed06a7a7016109cbed8d029946844bcfb85f5 /arch/ia64
parentb0c9778b1d07ed3aa7e411db201275553527b1b1 (diff)
ia64: add sparse annotation to __ia64_per_cpu_var()
ia64 has its own optimized percpu accessor - __ia64_per_cpu_var(). Add percpu sparse annotations to it. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/percpu.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h
index f7c00a5e0e2..1bd40826569 100644
--- a/arch/ia64/include/asm/percpu.h
+++ b/arch/ia64/include/asm/percpu.h
@@ -39,7 +39,10 @@ extern void *per_cpu_init(void);
* On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly
* more efficient.
*/
-#define __ia64_per_cpu_var(var) var
+#define __ia64_per_cpu_var(var) (*({ \
+ __verify_pcpu_ptr(&(var)); \
+ ((typeof(var) __kernel __force *)&(var)); \
+}))
#include <asm-generic/percpu.h>