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From:   Ram Pai <linuxram@us.ibm.com>
To:     mpe@ellerman.id.au, mingo@redhat.com, akpm@linux-foundation.org,
        corbet@lwn.net, arnd@arndb.de
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        linuxram@us.ibm.com
Subject: [PATCH v9 25/51] powerpc: sys_pkey_mprotect() system call
Date:   Mon,  6 Nov 2017 00:57:17 -0800
Message-Id: <1509958663-18737-26-git-send-email-linuxram@us.ibm.com>
In-Reply-To: <1509958663-18737-1-git-send-email-linuxram@us.ibm.com>
References: <1509958663-18737-1-git-send-email-linuxram@us.ibm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
---
 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 dea4a95..d61f9c9 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -391,3 +391,4 @@
 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 5db4385..389c36f 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_ */
-- 
1.7.1


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