ARM: reserve syscall 378 for kcmp

kcmp has appeared on x86, but has not been noticed because
checksyscalls.sh is broken at the moment.  Reserve ARM syscall 378
for this should we ever need it, and add an __IGNORE entry for this
unimplemented syscall.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 0cab47d4a83ff97a23c7a9d2975cfb855a687e3e..2fde5fd1accedda5a00accac967e1985be9c7f08 100644 (file)
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -404,6 +404,7 @@
 #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 */
 
 /*
  * The following SWIs are ARM private.
@@ -483,6 +484,7 @@
  */
 #define __IGNORE_fadvise64_64
 #define __IGNORE_migrate_pages
+#define __IGNORE_kcmp
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */

diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 463ff4a0ec8acaa69372b8abd40a39260ee91736..e337879595e565e5666cbd8ac0c40a4a72908c0e 100644 (file)
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -387,6 +387,7 @@
 /* 375 */      CALL(sys_setns)
                CALL(sys_process_vm_readv)
                CALL(sys_process_vm_writev)
+               CALL(sys_ni_syscall)    /* reserved for sys_kcmp */
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted