[ 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.desnoy...@efficios.com>
CC: Andrew Morton <a...@linux-foundation.org>
CC: linux-...@vger.kernel.org
CC: "David S. Miller" <da...@davemloft.net>
CC: sparcli...@vger.kernel.org
---
arch/sparc/include/uapi/asm/unistd.h | 3 ++-
arch/sparc/kernel/systbls_32.S | 2 +-
arch/sparc/kernel/systbls_64.S | 4 ++--
3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/sparc/include/uapi/asm/unistd.h
b/arch/sparc/include/uapi/asm/unistd.h
index 6f35f4d..efe9479 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -416,8 +416,9 @@
#define __NR_memfd_create 348
#define __NR_bpf 349
#define __NR_execveat 350
+#define __NR_membarrier 351
-#define NR_syscalls 351
+#define NR_syscalls 352
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index e31a905..cc23b62 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -87,4 +87,4 @@ sys_call_table:
/*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns,
sys_process_vm_readv, sys_process_vm_writev
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module,
sys_sched_setattr, sys_sched_getattr
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom,
sys_memfd_create, sys_bpf
-/*350*/ .long sys_execveat
+/*350*/ .long sys_execveat, sys_membarrier
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index d72f76a..f229468 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -88,7 +88,7 @@ sys_call_table32:
.word sys_syncfs, compat_sys_sendmmsg, sys_setns,
compat_sys_process_vm_readv, compat_sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module,
sys_sched_setattr, sys_sched_getattr
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create,
sys_bpf
-/*350*/ .word sys32_execveat
+/*350*/ .word sys32_execveat, sys_membarrier
#endif /* CONFIG_COMPAT */
@@ -168,4 +168,4 @@ sys_call_table:
.word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv,
sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module,
sys_sched_setattr, sys_sched_getattr
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create,
sys_bpf
-/*350*/ .word sys64_execveat
+/*350*/ .word sys64_execveat, sys_membarrier
--
1.9.1
--
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