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authorRam Pai <linuxram@us.ibm.com>2018-01-18 17:50:46 -0800
committerMichael Ellerman <mpe@ellerman.id.au>2018-01-21 01:06:16 +1100
commit3350eb2ea127978319ced883523d828046af4045 (patch)
treefb3b389fc9a1abae89e05db470f5c1b1961f565d /arch/powerpc/include
parent9499ec1b5e82321829e1c1510bcc37edc20b6f38 (diff)
powerpc: sys_pkey_mprotect() system call
Patch provides the ability for a process to associate a pkey with a address range. Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/unistd.h4
-rw-r--r--arch/powerpc/include/uapi/asm/unistd.h1
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index dea4a952ec53..d61f9c96d916 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -391,3 +391,4 @@ SYSCALL(kexec_file_load)
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 e0273bc5b095..daf1ba97a00c 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 5db438516e61..389c36fd8299 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -397,5 +397,6 @@
#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_ */