* [PATCH percpu#for-next] ia64: add sparse annotation to __ia64_per_cpu_var()
@ 2009-10-29 14:03 Tejun Heo
2009-10-29 18:44 ` Christoph Lameter
0 siblings, 1 reply; 2+ messages in thread
From: Tejun Heo @ 2009-10-29 14:03 UTC (permalink / raw)
To: Linux Kernel Mailing List, 'linux-ia64@vger.kernel.org',
Luck, Tony, Christoph Lameter
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>
---
arch/ia64/include/asm/percpu.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
Index: work/arch/ia64/include/asm/percpu.h
===================================================================
--- work.orig/arch/ia64/include/asm/percpu.h
+++ work/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>
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2009-10-29 14:03 [PATCH percpu#for-next] ia64: add sparse annotation to __ia64_per_cpu_var() Tejun Heo
2009-10-29 18:44 ` Christoph Lameter
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