signal/timer/event: eventfd wire up x86 arches

This patch wires the eventfd system call to the x86 architectures.
Signed-off-by: NDavide Libenzi <davidel@xmailserver.org>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/i386/kernel/syscall_table.S

@@ -322,3 +322,4 @@ ENTRY(sys_call_table)
 	.long sys_utimensat		/* 320 */
 	.long sys_signalfd
 	.long sys_timerfd
+	.long sys_eventfd

arch/x86_64/ia32/ia32entry.S

@@ -718,4 +718,5 @@ ia32_sys_call_table:
 	.quad compat_sys_utimensat	/* 320 */
 	.quad sys_signalfd
 	.quad sys_timerfd
+	.quad sys_eventfd
 ia32_syscall_end:		

include/asm-i386/unistd.h

@@ -328,10 +328,11 @@
 #define __NR_utimensat		320
 #define __NR_signalfd		321
 #define __NR_timerfd		322
+#define __NR_eventfd		323
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 323
+#define NR_syscalls 324
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR

include/asm-x86_64/unistd.h

@@ -628,6 +628,8 @@ __SYSCALL(__NR_epoll_pwait, sys_epoll_pwait)
 __SYSCALL(__NR_signalfd, sys_signalfd)
 #define __NR_timerfd		282
 __SYSCALL(__NR_timerfd, sys_timerfd)
+#define __NR_eventfd		283
+__SYSCALL(__NR_eventfd, sys_eventfd)
 
 #ifndef __NO_STUBS
 #define __ARCH_WANT_OLD_READDIR