[PATCH 5/9] x86: wire up mprotect_key() system call

From: Dave Hansen
Date: Wed Mar 09 2016 - 17:00:48 EST



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-114-x86-mprotect_key arch/x86/entry/syscalls/syscall_32.tbl
--- a/arch/x86/entry/syscalls/syscall_32.tbl~pkeys-114-x86-mprotect_key 2016-03-09 13:55:21.073494268 -0800
+++ b/arch/x86/entry/syscalls/syscall_32.tbl 2016-03-09 13:55:21.078494494 -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-114-x86-mprotect_key arch/x86/entry/syscalls/syscall_64.tbl
--- a/arch/x86/entry/syscalls/syscall_64.tbl~pkeys-114-x86-mprotect_key 2016-03-09 13:55:21.075494358 -0800
+++ b/arch/x86/entry/syscalls/syscall_64.tbl 2016-03-09 13:55:21.078494494 -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
_