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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>
This commit is contained in:
Richard Henderson 2021-07-11 08:46:37 -07:00
parent e77c8b8b8e
commit 952fd6710e
1 changed files with 9 additions and 20 deletions
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29
include/qemu/atomic.h
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@ -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)
{