diff options
| author | Nick Desaulniers <ndesaulniers@google.com> | 2021-09-14 19:17:04 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-10-08 16:15:59 +0300 |
| commit | 2a24d80fc86bcd70c8e780078254e873ea217379 (patch) | |
| tree | 28642b14e6340ed41fbed33d71adb6dd24d6f18e /arch/powerpc/include/asm/atomic.h | |
| parent | 7eff9bc00ddf1e2281dff575884b7f676c85b006 (diff) | |
| download | linux-2a24d80fc86bcd70c8e780078254e873ea217379.tar.xz | |
powerpc/asm: Remove UPD_CONSTR after GCC 4.9 removal
UPD_CONSTR was previously a preprocessor define for an old GCC 4.9
inline asm bug with m<> constraints.
Fixes: 6563139d90ad ("powerpc: remove GCC version check for UPD_CONSTR")
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210914161712.2463458-1-ndesaulniers@google.com
Diffstat (limited to 'arch/powerpc/include/asm/atomic.h')
| -rw-r--r-- | arch/powerpc/include/asm/atomic.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index 6a53ef178bfd..fd594fdbd84d 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -27,14 +27,14 @@ static __inline__ int arch_atomic_read(const atomic_t *v) { int t; - __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m"UPD_CONSTR(v->counter)); + __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter)); return t; } static __inline__ void arch_atomic_set(atomic_t *v, int i) { - __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"UPD_CONSTR(v->counter) : "r"(i)); + __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i)); } #define ATOMIC_OP(op, asm_op) \ @@ -320,14 +320,14 @@ static __inline__ s64 arch_atomic64_read(const atomic64_t *v) { s64 t; - __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m"UPD_CONSTR(v->counter)); + __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter)); return t; } static __inline__ void arch_atomic64_set(atomic64_t *v, s64 i) { - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"UPD_CONSTR(v->counter) : "r"(i)); + __asm__ __volatile__("std%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i)); } #define ATOMIC64_OP(op, asm_op) \ |