[RFC,v6,18/62] powerpc: sys_pkey_alloc() and sys_pkey_free() system calls

Submitted by Ram Pai on July 16, 2017, 3:56 a.m.

Details

Message ID 1500177424-13695-19-git-send-email-linuxram@us.ibm.com
State RFC
Headers show

Commit Message

Ram Pai July 16, 2017, 3:56 a.m.
Finally this patch provides the ability for a process to
allocate and free a protection key.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
---
 arch/powerpc/include/asm/systbl.h      |    2 ++
 arch/powerpc/include/asm/unistd.h      |    4 +---
 arch/powerpc/include/uapi/asm/unistd.h |    2 ++
 3 files changed, 5 insertions(+), 3 deletions(-)

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diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 1c94708..22dd776 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -388,3 +388,5 @@ 
 COMPAT_SYS_SPU(pwritev2)
 SYSCALL(kexec_file_load)
 SYSCALL(statx)
+SYSCALL(pkey_alloc)
+SYSCALL(pkey_free)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 9ba11db..e0273bc 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,13 +12,11 @@ 
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls		384
+#define NR_syscalls		386
 
 #define __NR__exit __NR_exit
 
 #define __IGNORE_pkey_mprotect
-#define __IGNORE_pkey_alloc
-#define __IGNORE_pkey_free
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index b85f142..7993a07 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -394,5 +394,7 @@ 
 #define __NR_pwritev2		381
 #define __NR_kexec_file_load	382
 #define __NR_statx		383
+#define __NR_pkey_alloc		384
+#define __NR_pkey_free		385
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */