----- On Sep 2, 2015, at 6:10 AM, Will Deacon will.deacon@xxxxxxx wrote: > On Thu, Aug 27, 2015 at 06:56:49PM +0100, Mathieu Desnoyers 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. ] >> >> 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/unistd32.h | 2 ++ >> 1 file changed, 2 insertions(+) >> >> 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) > > I think people have made similar comments for other architectures, but > please also updated __NR_compat_syscalls when adding new compat syscalls > here. Thanks for pointing it out! I'm fixing it for the next RFC round. Mathieu > > Will -- 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
