linux-kernel - [PATCH -next RESEND] sparc: Hook up userfaultfd system call

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Message-Id: <1448063646-5580-1-git-send-email-mike.kravetz@oracle.com>
Date:	Fri, 20 Nov 2015 15:54:06 -0800
From:	Mike Kravetz <mike.kravetz@...cle.com>
To:	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Kravetz <mike.kravetz@...cle.com>
Subject: [PATCH -next RESEND] sparc: Hook up userfaultfd system call

After hooking up system call, userfaultfd selftest was successful for
both 32 and 64 bit version of test.

Signed-off-by: Mike Kravetz <mike.kravetz@...cle.com>
---
 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 efe9479..f31a124 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -417,8 +417,9 @@
 #define __NR_bpf		349
 #define __NR_execveat		350
 #define __NR_membarrier		351
+#define __NR_userfaultfd	352
 
-#define NR_syscalls		352
+#define NR_syscalls		353
 
 /* 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 cc23b62..78e8029 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, sys_membarrier
+/*350*/	.long sys_execveat, sys_membarrier, sys_userfaultfd
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index f229468..2549c2c 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, sys_membarrier
+/*350*/	.word sys32_execveat, sys_membarrier, sys_userfaultfd
 
 #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, sys_membarrier
+/*350*/	.word sys64_execveat, sys_membarrier, sys_userfaultfd
-- 
2.4.3

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