--- /dev/null
+From 65cc21b4523e94d5640542a818748cd3be8cd6b4 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=89meric=20Maschino?= <emeric.maschino@gmail.com>
+Date: Mon, 9 Jan 2012 12:55:10 -0800
+Subject: ia64: Add accept4() syscall
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+From: Émeric Maschino <emeric.maschino@gmail.com>
+
+commit 65cc21b4523e94d5640542a818748cd3be8cd6b4 upstream.
+
+While debugging udev > 170 failure on Debian Wheezy
+(http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648325), it appears
+that the issue was in fact due to missing accept4() in ia64.
+
+This patch simply adds accept4() to ia64.
+
+Signed-off-by: Émeric Maschino <emeric.maschino@gmail.com>
+Signed-off-by: Tony Luck <tony.luck@intel.com>
+Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+
+---
+ arch/ia64/include/asm/unistd.h | 3 ++-
+ arch/ia64/kernel/entry.S | 3 +++
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
+--- a/arch/ia64/include/asm/unistd.h
++++ b/arch/ia64/include/asm/unistd.h
+@@ -321,11 +321,12 @@
+ #define __NR_syncfs 1329
+ #define __NR_setns 1330
+ #define __NR_sendmmsg 1331
++#define __NR_accept4 1334
+
+ #ifdef __KERNEL__
+
+
+-#define NR_syscalls 308 /* length of syscall table */
++#define NR_syscalls 311 /* length of syscall table */
+
+ /*
+ * The following defines stop scripts/checksyscalls.sh from complaining about
+--- a/arch/ia64/kernel/entry.S
++++ b/arch/ia64/kernel/entry.S
+@@ -1777,6 +1777,9 @@ sys_call_table:
+ data8 sys_syncfs
+ data8 sys_setns // 1330
+ data8 sys_sendmmsg
++ data8 sys_ni_syscall /* process_vm_readv */
++ data8 sys_ni_syscall /* process_vm_writev */
++ data8 sys_accept4
+
+ .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
+ #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */