Subject: [RFC v7 14/25] powerpc: sys_pkey_mprotect() system call

From: Ram Pai <[email-masked]>
Date: Sun, 30 Jul 2017 17:12:15 -0700

Patch provides the ability for a process to
associate a pkey with a address range.

Signed-off-by: Ram Pai <[email-masked]>
---
 arch/powerpc/include/asm/systbl.h      |    1 +
 arch/powerpc/include/asm/unistd.h      |    4 +---
 arch/powerpc/include/uapi/asm/unistd.h |    1 +
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 22dd776..b33b551 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -390,3 +390,4 @@
 SYSCALL(statx)
 SYSCALL(pkey_alloc)
 SYSCALL(pkey_free)
+SYSCALL(pkey_mprotect)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index e0273bc..daf1ba9 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,12 +12,10 @@
 #include <uapi/asm/unistd.h>

-#define NR_syscalls		386
+#define NR_syscalls		387
 
 #define __NR__exit __NR_exit
 
-#define __IGNORE_pkey_mprotect
-
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 7993a07..71ae45e 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -396,5 +396,6 @@
 #define __NR_statx		383
 #define __NR_pkey_alloc		384
 #define __NR_pkey_free		385
+#define __NR_pkey_mprotect	386
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
-- 
1.7.1