CHROMIUM: finit_module: add syscall to ARM

Add finit_module syscall to the ARM syscall list.

BUG=chromium-os:34134
TEST=snow build, manual testing

[accepted into Rusty's modules-wip tree for linux-next:
 http://git.kernel.org/?p=linux/kernel/git/rusty/linux.git;a=shortlog;h=refs/heads/modules-wip]
Change-Id: I7d35fd0cc98ff29e2a8dfae166d704d348908a2a
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/34305
Reviewed-by: Olof Johansson <olofj@chromium.org>

diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 512cd14..eceefbe 100644 (file)
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -404,6 +404,8 @@
 #define __NR_setns                     (__NR_SYSCALL_BASE+375)
 #define __NR_process_vm_readv          (__NR_SYSCALL_BASE+376)
 #define __NR_process_vm_writev         (__NR_SYSCALL_BASE+377)
+                                       /* 378 for kcmp */
+#define __NR_finit_module              (__NR_SYSCALL_BASE+379)
 
 /*
  * The following SWIs are ARM private.

diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 463ff4a..afce06a 100644 (file)
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -387,6 +387,8 @@
 /* 375 */      CALL(sys_setns)
                CALL(sys_process_vm_readv)
                CALL(sys_process_vm_writev)
+               CALL(sys_ni_syscall)    /* reserved for sys_kcmp */
+               CALL(sys_finit_module)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted