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percpu: handle __percpu notations in UP accessors
UP accessors didn't take care of __percpu notations leading to a lot of spurious sparse warnings on UP configurations. Fix it. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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4a386c3e17
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2 changed files with 11 additions and 6 deletions
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@ -70,11 +70,16 @@ extern void setup_per_cpu_areas(void);
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#else /* ! SMP */
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#else /* ! SMP */
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#define per_cpu(var, cpu) (*((void)(cpu), &(var)))
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#define VERIFY_PERCPU_PTR(__p) ({ \
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#define __get_cpu_var(var) (var)
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__verify_pcpu_ptr((__p)); \
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#define __raw_get_cpu_var(var) (var)
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(typeof(*(__p)) __kernel __force *)(__p); \
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#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
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})
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#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
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#define per_cpu(var, cpu) (*((void)(cpu), VERIFY_PERCPU_PTR(&(var))))
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#define __get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
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#define __raw_get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
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#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
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#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
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#endif /* SMP */
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#endif /* SMP */
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@ -149,7 +149,7 @@ extern void __init percpu_init_late(void);
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#else /* CONFIG_SMP */
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#else /* CONFIG_SMP */
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#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
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#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR((ptr)); })
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/* can't distinguish from other static vars, always false */
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/* can't distinguish from other static vars, always false */
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static inline bool is_kernel_percpu_address(unsigned long addr)
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static inline bool is_kernel_percpu_address(unsigned long addr)
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