----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@xxxxxxxxxxxx wrote: > arm64 sys_membarrier number is already wired for arm64 through > asm-generic/unistd.h, but needs to be allocated separately for > the 32-bit compability layer of arm64. > > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] Hi, sys_membarrier has been merged into Linux 4.3-rc1. sys_membarrier can therefore be tested on top of Linus' master. Thanks, Mathieu > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > CC: linux-api@xxxxxxxxxxxxxxx > CC: Catalin Marinas <catalin.marinas@xxxxxxx> > CC: Will Deacon <will.deacon@xxxxxxx> > --- > arch/arm64/include/asm/unistd.h | 2 +- > arch/arm64/include/asm/unistd32.h | 2 ++ > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h > index 3bc498c..e70f7e7 100644 > --- a/arch/arm64/include/asm/unistd.h > +++ b/arch/arm64/include/asm/unistd.h > @@ -44,7 +44,7 @@ > #define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2) > #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5) > > -#define __NR_compat_syscalls 388 > +#define __NR_compat_syscalls 389 > #endif > > #define __ARCH_WANT_SYS_CLONE > diff --git a/arch/arm64/include/asm/unistd32.h > b/arch/arm64/include/asm/unistd32.h > index cef934a..d97be80 100644 > --- a/arch/arm64/include/asm/unistd32.h > +++ b/arch/arm64/include/asm/unistd32.h > @@ -797,3 +797,5 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create) > __SYSCALL(__NR_bpf, sys_bpf) > #define __NR_execveat 387 > __SYSCALL(__NR_execveat, compat_sys_execveat) > +#define __NR_membarrier 388 > +__SYSCALL(__NR_membarrier, sys_membarrier) > -- > 1.9.1 -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
