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Date: Mon, 7 Sep 2015 12:15:54 -0400 From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com> To: Andrew Morton <akpm@...ux-foundation.org>, linux-api@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com> Subject: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number 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@...icios.com> CC: Andrew Morton <akpm@...ux-foundation.org> CC: linux-api@...r.kernel.org CC: Catalin Marinas <catalin.marinas@....com> CC: Will Deacon <will.deacon@....com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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