[PATCH] x86-64: Add sys_unshare

Add unshare syscall for x86-64

ppoll/pselect are not ready yet, but add reservations.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/ia32/ia32entry.S

@@ -685,6 +685,9 @@ ia32_sys_call_table:
 	.quad sys_readlinkat		/* 305 */
 	.quad sys_fchmodat
 	.quad sys_faccessat
+	.quad sys_ni_syscall		/* pselect6 for now */
+	.quad sys_ni_syscall		/* ppoll for now */
+	.quad sys_unshare		/* 310 */
 ia32_syscall_end:		
 	.rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8
 		.quad ni_syscall

include/asm-x86_64/ia32_unistd.h

@@ -313,7 +313,10 @@
 #define __NR_ia32_readlinkat		305
 #define __NR_ia32_fchmodat		306
 #define __NR_ia32_faccessat		307
+#define __NR_ia32_pselect6		308
+#define __NR_ia32_ppoll			309
+#define __NR_ia32_unshare		310
 
-#define IA32_NR_syscalls 308	/* must be > than biggest syscall! */
+#define IA32_NR_syscalls 315	/* must be > than biggest syscall! */
 
 #endif /* _ASM_X86_64_IA32_UNISTD_H_ */

include/asm-x86_64/unistd.h

@@ -599,8 +599,14 @@ __SYSCALL(__NR_readlinkat, sys_readlinkat)
 __SYSCALL(__NR_fchmodat, sys_fchmodat)
 #define __NR_faccessat		269
 __SYSCALL(__NR_faccessat, sys_faccessat)
-
-#define __NR_syscall_max __NR_faccessat
+#define __NR_pselect6		270
+__SYSCALL(__NR_pselect6, sys_ni_syscall)	/* for now */
+#define __NR_ppoll		271
+__SYSCALL(__NR_ppoll,	sys_ni_syscall)		/* for now */
+#define __NR_unshare		272
+__SYSCALL(__NR_unshare,	sys_unshare)
+
+#define __NR_syscall_max __NR_unshare
 
 #ifndef __NO_STUBS