| Message ID | 20221222114635.1251934-14-andrzej.hajda@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | Introduce __xchg, non-atomic xchg | expand |
On Thu, 22 Dec 2022 03:46:29 PST (-0800), andrzej.hajda@intel.com wrote: > __xchg will be used for non-atomic xchg macro. > > Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> > --- > arch/riscv/include/asm/atomic.h | 2 +- > arch/riscv/include/asm/cmpxchg.h | 4 ++-- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h > index 0dfe9d857a762b..bba472928b5393 100644 > --- a/arch/riscv/include/asm/atomic.h > +++ b/arch/riscv/include/asm/atomic.h > @@ -261,7 +261,7 @@ c_t arch_atomic##prefix##_xchg_release(atomic##prefix##_t *v, c_t n) \ > static __always_inline \ > c_t arch_atomic##prefix##_xchg(atomic##prefix##_t *v, c_t n) \ > { \ > - return __xchg(&(v->counter), n, size); \ > + return __arch_xchg(&(v->counter), n, size); \ > } \ > static __always_inline \ > c_t arch_atomic##prefix##_cmpxchg_relaxed(atomic##prefix##_t *v, \ > diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h > index 12debce235e52d..2f4726d3cfcc25 100644 > --- a/arch/riscv/include/asm/cmpxchg.h > +++ b/arch/riscv/include/asm/cmpxchg.h > @@ -114,7 +114,7 @@ > _x_, sizeof(*(ptr))); \ > }) > > -#define __xchg(ptr, new, size) \ > +#define __arch_xchg(ptr, new, size) \ > ({ \ > __typeof__(ptr) __ptr = (ptr); \ > __typeof__(new) __new = (new); \ > @@ -143,7 +143,7 @@ > #define arch_xchg(ptr, x) \ > ({ \ > __typeof__(*(ptr)) _x_ = (x); \ > - (__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \ > + (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr))); \ > }) > > #define xchg32(ptr, x) \ Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Thanks!
On Thu, 22 Dec 2022 03:46:29 PST (-0800), andrzej.hajda@intel.com wrote: > __xchg will be used for non-atomic xchg macro. > > Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> > --- > arch/riscv/include/asm/atomic.h | 2 +- > arch/riscv/include/asm/cmpxchg.h | 4 ++-- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h > index 0dfe9d857a762b..bba472928b5393 100644 > --- a/arch/riscv/include/asm/atomic.h > +++ b/arch/riscv/include/asm/atomic.h > @@ -261,7 +261,7 @@ c_t arch_atomic##prefix##_xchg_release(atomic##prefix##_t *v, c_t n) \ > static __always_inline \ > c_t arch_atomic##prefix##_xchg(atomic##prefix##_t *v, c_t n) \ > { \ > - return __xchg(&(v->counter), n, size); \ > + return __arch_xchg(&(v->counter), n, size); \ > } \ > static __always_inline \ > c_t arch_atomic##prefix##_cmpxchg_relaxed(atomic##prefix##_t *v, \ > diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h > index 12debce235e52d..2f4726d3cfcc25 100644 > --- a/arch/riscv/include/asm/cmpxchg.h > +++ b/arch/riscv/include/asm/cmpxchg.h > @@ -114,7 +114,7 @@ > _x_, sizeof(*(ptr))); \ > }) > > -#define __xchg(ptr, new, size) \ > +#define __arch_xchg(ptr, new, size) \ > ({ \ > __typeof__(ptr) __ptr = (ptr); \ > __typeof__(new) __new = (new); \ > @@ -143,7 +143,7 @@ > #define arch_xchg(ptr, x) \ > ({ \ > __typeof__(*(ptr)) _x_ = (x); \ > - (__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \ > + (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr))); \ > }) > > #define xchg32(ptr, x) \ Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h index 0dfe9d857a762b..bba472928b5393 100644 --- a/arch/riscv/include/asm/atomic.h +++ b/arch/riscv/include/asm/atomic.h @@ -261,7 +261,7 @@ c_t arch_atomic##prefix##_xchg_release(atomic##prefix##_t *v, c_t n) \ static __always_inline \ c_t arch_atomic##prefix##_xchg(atomic##prefix##_t *v, c_t n) \ { \ - return __xchg(&(v->counter), n, size); \ + return __arch_xchg(&(v->counter), n, size); \ } \ static __always_inline \ c_t arch_atomic##prefix##_cmpxchg_relaxed(atomic##prefix##_t *v, \ diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h index 12debce235e52d..2f4726d3cfcc25 100644 --- a/arch/riscv/include/asm/cmpxchg.h +++ b/arch/riscv/include/asm/cmpxchg.h @@ -114,7 +114,7 @@ _x_, sizeof(*(ptr))); \ }) -#define __xchg(ptr, new, size) \ +#define __arch_xchg(ptr, new, size) \ ({ \ __typeof__(ptr) __ptr = (ptr); \ __typeof__(new) __new = (new); \ @@ -143,7 +143,7 @@ #define arch_xchg(ptr, x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \ + (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr))); \ }) #define xchg32(ptr, x) \
__xchg will be used for non-atomic xchg macro. Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> --- arch/riscv/include/asm/atomic.h | 2 +- arch/riscv/include/asm/cmpxchg.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)