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Message-Id: <1516326648-22775-25-git-send-email-linuxram@us.ibm.com>
Date: Thu, 18 Jan 2018 17:50:45 -0800
From: Ram Pai <linuxram@...ibm.com>
To: mpe@...erman.id.au, mingo@...hat.com, akpm@...ux-foundation.org,
corbet@....net, arnd@...db.de
Cc: linuxppc-dev@...ts.ozlabs.org, linux-mm@...ck.org, x86@...nel.org,
linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
dave.hansen@...el.com, benh@...nel.crashing.org, paulus@...ba.org,
khandual@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com,
bsingharora@...il.com, hbabu@...ibm.com, mhocko@...nel.org,
bauerman@...ux.vnet.ibm.com, ebiederm@...ssion.com,
linuxram@...ibm.com
Subject: [PATCH v10 24/27] powerpc: sys_pkey_alloc() and sys_pkey_free() system calls
Finally this patch provides the ability for a process to
allocate and free a protection key.
Signed-off-by: Ram Pai <linuxram@...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(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 449912f..dea4a95 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -389,3 +389,5 @@
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 df8684f..5db4385 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -395,5 +395,7 @@
#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_ */
--
1.7.1
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