On Sat, 4 Nov 2023 17:16:14 +0800 "wuqiang.matt" <wuqiang.m...@bytedance.com> wrote:
> For architectures that support native cmpxchg, we'd like to > implement arch_cmpxchg[64]_local with the native variants of > supported data size. If not, the generci_cmpxchg[64]_local > will be used. Looks good to me. Reviewed-by: Masami Hiramatsu (Google) <mhira...@kernel.org> > > Signed-off-by: wuqiang.matt <wuqiang.m...@bytedance.com> > --- > arch/openrisc/include/asm/cmpxchg.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/openrisc/include/asm/cmpxchg.h > b/arch/openrisc/include/asm/cmpxchg.h > index 8ee151c072e4..f1ffe8b6f5ef 100644 > --- a/arch/openrisc/include/asm/cmpxchg.h > +++ b/arch/openrisc/include/asm/cmpxchg.h > @@ -139,6 +139,12 @@ static inline unsigned long __cmpxchg(volatile void > *ptr, unsigned long old, > (unsigned long)(n), \ > sizeof(*(ptr))); \ > }) > +#define arch_cmpxchg_local arch_cmpxchg > + > +/* always make arch_cmpxchg64_local available for openrisc */ > +#include <asm-generic/cmpxchg-local.h> > + > +#define arch_cmpxchg64_local(ptr, o, n) __generic_cmpxchg64_local((ptr), > (o), (n)) > > /* > * This function doesn't exist, so you'll get a linker error if > -- > 2.40.1 > -- Masami Hiramatsu (Google) <mhira...@kernel.org> _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
