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Subject[PATCH] x86/pkeys: fix pkeys build breakage for some non-x86 arches
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From: Dave Hansen <dave.hansen@intel.com>

Guenter Roeck reported [1] breakage on the h8300 and c6x
architectures (among others) caused by the new memory protection
keys syscalls. This patch does what Arnd suggested and adds them
to kernel/sys_ni.c.

1. http://marc.info/?l=linux-kernel&m=147369214820072&w=2

Signed-off-by: Dave Hansen <dave.hansen@intel.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "open list:ABI/API" <linux-api@vger.kernel.org>
Cc: linux-arch@vger.kernel.org
---

b/kernel/sys_ni.c | 5 +++++
1 file changed, 5 insertions(+)

diff -puN kernel/sys_ni.c~fix-pkeys-arch-breakage kernel/sys_ni.c
--- a/kernel/sys_ni.c~fix-pkeys-arch-breakage 2016-09-12 13:35:17.449066541 -0700
+++ b/kernel/sys_ni.c 2016-09-12 13:35:17.452066676 -0700
@@ -250,3 +250,8 @@ cond_syscall(sys_execveat);

/* membarrier */
cond_syscall(sys_membarrier);
+
+/* memory protection keys */
+cond_syscall(sys_pkey_mprotect);
+cond_syscall(sys_pkey_alloc);
+cond_syscall(sys_pkey_free);
_
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