linux-kernel - [ 44/82] x86-64, kcmp: The kcmp system call can be common

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Message-Id: <20120813201750.306541457@linuxfoundation.org>
Date:	Mon, 13 Aug 2012 13:19:20 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, "H. Peter Anvin" <hpa@...ux.intel.com>,
	"H.J. Lu" <hjl.tools@...il.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>
Subject: [ 44/82] x86-64, kcmp: The kcmp system call can be common

From: Greg KH <gregkh@...uxfoundation.org>

3.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "H. Peter Anvin" <hpa@...ux.intel.com>

commit eaf4ce6c5fed6b4c55f7efcd5fc3477435cab5e9 upstream.

We already use the same system call handler for i386 and x86-64, there
is absolutely no reason x32 can't use the same system call, too.

Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
Cc: H.J. Lu <hjl.tools@...il.com>
Cc: Cyrill Gorcunov <gorcunov@...nvz.org>
Link: http://lkml.kernel.org/n/tip-vwzk3qbcr3yjyxjg2j38vgy9@git.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/x86/syscalls/syscall_64.tbl |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -318,7 +318,7 @@
 309	common	getcpu			sys_getcpu
 310	64	process_vm_readv	sys_process_vm_readv
 311	64	process_vm_writev	sys_process_vm_writev
-312	64	kcmp			sys_kcmp
+312	common	kcmp			sys_kcmp

 #
 # x32-specific system call numbers start at 512 to avoid cache impact

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