[RFC][PATCH 4/7] x86: wire up mprotect_key() system call

[Dave Hansen]

From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

This is all that we need to get the new system call itself
working on x86.

Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: linux-api@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
Cc: x86@xxxxxxxxxx
Cc: torvalds@xxxxxxxxxxxxxxxxxxxx
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
---

 b/arch/x86/entry/syscalls/syscall_32.tbl |    1 +
 b/arch/x86/entry/syscalls/syscall_64.tbl |    1 +
 2 files changed, 2 insertions(+)

diff -puN arch/x86/entry/syscalls/syscall_32.tbl~pkeys-85b-x86-mprotect_key arch/x86/entry/syscalls/syscall_32.tbl
--- a/arch/x86/entry/syscalls/syscall_32.tbl~pkeys-85b-x86-mprotect_key	2016-02-22 17:09:24.183334806 -0800
+++ b/arch/x86/entry/syscalls/syscall_32.tbl	2016-02-22 17:09:24.188335034 -0800
@@ -384,3 +384,4 @@
 375	i386	membarrier		sys_membarrier
 376	i386	mlock2			sys_mlock2
 377	i386	copy_file_range		sys_copy_file_range
+378	i386	pkey_mprotect		sys_pkey_mprotect
diff -puN arch/x86/entry/syscalls/syscall_64.tbl~pkeys-85b-x86-mprotect_key arch/x86/entry/syscalls/syscall_64.tbl
--- a/arch/x86/entry/syscalls/syscall_64.tbl~pkeys-85b-x86-mprotect_key	2016-02-22 17:09:24.185334897 -0800
+++ b/arch/x86/entry/syscalls/syscall_64.tbl	2016-02-22 17:09:24.188335034 -0800
@@ -333,6 +333,7 @@
 324	common	membarrier		sys_membarrier
 325	common	mlock2			sys_mlock2
 326	common	copy_file_range		sys_copy_file_range
+327	common	pkey_mprotect		sys_pkey_mprotect
 
 #
 # x32-specific system call numbers start at 512 to avoid cache impact
_