diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-07-11 08:46:37 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-07-21 07:45:38 -1000 |
| commit | 952fd6710e01037746de24f41e63cb4d8cbd49bc (patch) | |
| tree | 4b9a57349ec1927771cdc3297ff8db7fb772397e /include | |
| parent | e77c8b8b8e933414ef07dbed04e02973fccffeb0 (diff) | |
qemu/atomic: Use macros for CONFIG_ATOMIC64
Clang warnings about questionable atomic usage get localized
to the inline function in atomic.h. By using a macro, we get
the full traceback to the original use that caused the warning.
Tested-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/atomic.h | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index 3ccf84fd46..a7654d2a33 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -457,26 +457,15 @@ /* Abstractions to access atomically (i.e. "once") i64/u64 variables */ #ifdef CONFIG_ATOMIC64 -static inline int64_t qatomic_read_i64(const int64_t *ptr) -{ - /* use __nocheck because sizeof(void *) might be < sizeof(u64) */ - return qatomic_read__nocheck(ptr); -} - -static inline uint64_t qatomic_read_u64(const uint64_t *ptr) -{ - return qatomic_read__nocheck(ptr); -} - -static inline void qatomic_set_i64(int64_t *ptr, int64_t val) -{ - qatomic_set__nocheck(ptr, val); -} - -static inline void qatomic_set_u64(uint64_t *ptr, uint64_t val) -{ - qatomic_set__nocheck(ptr, val); -} +/* Use __nocheck because sizeof(void *) might be < sizeof(u64) */ +#define qatomic_read_i64(P) \ + _Generic(*(P), int64_t: qatomic_read__nocheck(P)) +#define qatomic_read_u64(P) \ + _Generic(*(P), uint64_t: qatomic_read__nocheck(P)) +#define qatomic_set_i64(P, V) \ + _Generic(*(P), int64_t: qatomic_set__nocheck(P, V)) +#define qatomic_set_u64(P, V) \ + _Generic(*(P), uint64_t: qatomic_set__nocheck(P, V)) static inline void qatomic64_init(void) { |