Patch file for adding a dumb syscall into the 3.2.0 Linux Kernel

sysfoo_kernel.patch

diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/include/asm/unistd_32.h /tmp/linux-source-3.2.0/arch/x86/include/asm/unistd_32.h
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/include/asm/unistd_32.h	2012-01-04 15:55:44.000000000 -0800
+++ /tmp/linux-source-3.2.0/arch/x86/include/asm/unistd_32.h	2014-03-27 12:11:39.267530664 -0700
@@ -354,10 +354,11 @@
 #define __NR_setns		346
 #define __NR_process_vm_readv	347
 #define __NR_process_vm_writev	348
+#define __NR_foo		349
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 349
+#define NR_syscalls 350
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/include/asm/unistd_64.h /tmp/linux-source-3.2.0/arch/x86/include/asm/unistd_64.h
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/include/asm/unistd_64.h	2012-01-04 15:55:44.000000000 -0800
+++ /tmp/linux-source-3.2.0/arch/x86/include/asm/unistd_64.h	2014-03-27 12:12:40.465775648 -0700
@@ -686,6 +686,8 @@
 __SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
 #define __NR_process_vm_writev			311
 __SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
+#define __NR_foo				312
+__SYSCALL(__NR_foo, sys_foo)
 
 #ifndef __NO_STUBS
 #define __ARCH_WANT_OLD_READDIR
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/kernel/syscall_table_32.S /tmp/linux-source-3.2.0/arch/x86/kernel/syscall_table_32.S
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/arch/x86/kernel/syscall_table_32.S	2012-01-04 15:55:44.000000000 -0800
+++ /tmp/linux-source-3.2.0/arch/x86/kernel/syscall_table_32.S	2014-03-27 12:13:23.048571388 -0700
@@ -348,3 +348,4 @@
 	.long sys_setns
 	.long sys_process_vm_readv
 	.long sys_process_vm_writev
+	.long sys_foo
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/foo/foo.c /tmp/linux-source-3.2.0/foo/foo.c
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/foo/foo.c	1969-12-31 16:00:00.000000000 -0800
+++ /tmp/linux-source-3.2.0/foo/foo.c	2014-03-27 12:05:25.422238627 -0700
@@ -0,0 +1,8 @@
+#include <linux/kernel.h>
+#include <asm/linkage.h>
+
+asmlinkage long sys_foo(void)
+{
+  printk(KERN_INFO "Hello sys_foo !\n");
+  return 0;
+}
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/foo/Makefile /tmp/linux-source-3.2.0/foo/Makefile
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/foo/Makefile	1969-12-31 16:00:00.000000000 -0800
+++ /tmp/linux-source-3.2.0/foo/Makefile	2014-03-27 12:05:25.422238627 -0700
@@ -0,0 +1 @@
+obj-m	+= foo.o
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/include/linux/syscalls.h /tmp/linux-source-3.2.0/include/linux/syscalls.h
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/include/linux/syscalls.h	2012-01-04 15:55:44.000000000 -0800
+++ /tmp/linux-source-3.2.0/include/linux/syscalls.h	2014-03-27 12:09:42.502884836 -0700
@@ -856,5 +856,6 @@
 				      const struct iovec __user *rvec,
 				      unsigned long riovcnt,
 				      unsigned long flags);
+asmlinkage long sys_foo(void);
 
 #endif
diff -ruN /usr/src/linux-source-3.2.0/linux-source-3.2.0/Makefile /tmp/linux-source-3.2.0/Makefile
--- /usr/src/linux-source-3.2.0/linux-source-3.2.0/Makefile	2014-02-18 19:55:00.000000000 -0800
+++ /tmp/linux-source-3.2.0/Makefile	2014-03-27 12:02:12.291799664 -0700
@@ -717,7 +717,7 @@
 
 
 ifeq ($(KBUILD_EXTMOD),)
-core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/
+core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/ foo/
 
 vmlinux-dirs	:= $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
 		     $(core-y) $(core-m) $(drivers-y) $(drivers-m) \