diff options
-rw-r--r-- | include/asm-generic/percpu.h | 15 | ||||
-rw-r--r-- | include/linux/percpu.h | 2 |
2 files changed, 11 insertions, 6 deletions
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index b5043a9890d8..08923b684768 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h | |||
@@ -70,11 +70,16 @@ extern void setup_per_cpu_areas(void); | |||
70 | 70 | ||
71 | #else /* ! SMP */ | 71 | #else /* ! SMP */ |
72 | 72 | ||
73 | #define per_cpu(var, cpu) (*((void)(cpu), &(var))) | 73 | #define VERIFY_PERCPU_PTR(__p) ({ \ |
74 | #define __get_cpu_var(var) (var) | 74 | __verify_pcpu_ptr((__p)); \ |
75 | #define __raw_get_cpu_var(var) (var) | 75 | (typeof(*(__p)) __kernel __force *)(__p); \ |
76 | #define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0) | 76 | }) |
77 | #define __this_cpu_ptr(ptr) this_cpu_ptr(ptr) | 77 | |
78 | #define per_cpu(var, cpu) (*((void)(cpu), VERIFY_PERCPU_PTR(&(var)))) | ||
79 | #define __get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var))) | ||
80 | #define __raw_get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var))) | ||
81 | #define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0) | ||
82 | #define __this_cpu_ptr(ptr) this_cpu_ptr(ptr) | ||
78 | 83 | ||
79 | #endif /* SMP */ | 84 | #endif /* SMP */ |
80 | 85 | ||
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index b8b9084527b1..49466b13c5c6 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h | |||
@@ -149,7 +149,7 @@ extern void __init percpu_init_late(void); | |||
149 | 149 | ||
150 | #else /* CONFIG_SMP */ | 150 | #else /* CONFIG_SMP */ |
151 | 151 | ||
152 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); }) | 152 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR((ptr)); }) |
153 | 153 | ||
154 | /* can't distinguish from other static vars, always false */ | 154 | /* can't distinguish from other static vars, always false */ |
155 | static inline bool is_kernel_percpu_address(unsigned long addr) | 155 | static inline bool is_kernel_percpu_address(unsigned long addr) |