2012-08-01 23:10:51

by H. Peter Anvin

[permalink] [raw]
Subject: [tip:x86/urgent] x86-64, kcmp: The kcmp system call can be common

Commit-ID: eaf4ce6c5fed6b4c55f7efcd5fc3477435cab5e9
Gitweb: http://git.kernel.org/tip/eaf4ce6c5fed6b4c55f7efcd5fc3477435cab5e9
Author: H. Peter Anvin <[email protected]>
AuthorDate: Wed, 1 Aug 2012 15:59:58 -0700
Committer: H. Peter Anvin <[email protected]>
CommitDate: Wed, 1 Aug 2012 16:01:06 -0700

x86-64, kcmp: The kcmp system call can be common

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 <[email protected]>
Cc: H.J. Lu <[email protected]>
Cc: Cyrill Gorcunov <[email protected]>
Cc: <[email protected]> v3.5
Link: http://lkml.kernel.org/n/[email protected]
---
arch/x86/syscalls/syscall_64.tbl | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 51171ae..29aed7a 100644
--- 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