[PATCH 4/9] x86: wire up mprotect_key() system call

From: Dave Hansen
Date: Thu Jul 07 2016 - 08:47:56 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-arch@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
Cc: x86@xxxxxxxxxx
Cc: torvalds@xxxxxxxxxxxxxxxxxxxx
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: mgorman@xxxxxxxxxxxxxxxxxxx
Cc: hughd@xxxxxxxxxx
Cc: viro@xxxxxxxxxxxxxxxxxx
---

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 2016-07-07 05:47:00.972810040 -0700
+++ b/arch/x86/entry/syscalls/syscall_32.tbl 2016-07-07 05:47:00.977810267 -0700
@@ -386,3 +386,4 @@
377 i386 copy_file_range sys_copy_file_range
378 i386 preadv2 sys_preadv2 compat_sys_preadv2
379 i386 pwritev2 sys_pwritev2 compat_sys_pwritev2
+380 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 2016-07-07 05:47:00.973810086 -0700
+++ b/arch/x86/entry/syscalls/syscall_64.tbl 2016-07-07 05:47:00.977810267 -0700
@@ -335,6 +335,7 @@
326 common copy_file_range sys_copy_file_range
327 64 preadv2 sys_preadv2
328 64 pwritev2 sys_pwritev2
+329 common pkey_mprotect sys_pkey_mprotect

#
# x32-specific system call numbers start at 512 to avoid cache impact
_