Messages in this thread Patch in this message | | | From | Mathieu Desnoyers <> | Subject | [RFC PATCH 3/9] arm64: allocate sys_membarrier system call number | Date | Thu, 27 Aug 2015 13:56:49 -0400 |
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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@efficios.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: linux-api@vger.kernel.org CC: Catalin Marinas <catalin.marinas@arm.com> CC: Will Deacon <will.deacon@arm.com> --- 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) -- 1.9.1
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