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authorLinus Torvalds <torvalds@linux-foundation.org>2010-09-07 14:08:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-07 14:08:37 -0700
commitce7db282a3830f57f5b05ec48288c23a5c4d66d5 (patch)
tree8e191c4b2ffa1658d5c014da5cc6230fc58c1a59 /include/asm-generic
parentcd4d4fc4137502f88ee871fc015a934dc28535e3 (diff)
parent54157c44471f5e266508ac08d270f2bc5857e8bb (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: fix a mismatch between code and comment percpu: fix a memory leak in pcpu_extend_area_map() percpu: add __percpu notations to UP allocator percpu: handle __percpu notations in UP accessors
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/percpu.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index b5043a9890d..08923b68476 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -70,11 +70,16 @@ extern void setup_per_cpu_areas(void);
#else /* ! SMP */
-#define per_cpu(var, cpu) (*((void)(cpu), &(var)))
-#define __get_cpu_var(var) (var)
-#define __raw_get_cpu_var(var) (var)
-#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
-#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
+#define VERIFY_PERCPU_PTR(__p) ({ \
+ __verify_pcpu_ptr((__p)); \
+ (typeof(*(__p)) __kernel __force *)(__p); \
+})
+
+#define per_cpu(var, cpu) (*((void)(cpu), VERIFY_PERCPU_PTR(&(var))))
+#define __get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
+#define __raw_get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
+#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
+#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
#endif /* SMP */