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
Cc: linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
x86@kernel.org, linux-arch@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, dave.hansen@intel.com,
benh@kernel.crashing.org, paulus@samba.org,
khandual@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com,
bsingharora@gmail.com, hbabu@us.ibm.com, mhocko@kernel.org,
bauerman@linux.vnet.ibm.com, ebiederm@xmission.com,
linuxram@us.ibm.com
Subject: [PATCH v10 25/27] powerpc: sys_pkey_mprotect() system call
Date: Thu, 18 Jan 2018 17:50:46 -0800 [thread overview]
Message-ID: <1516326648-22775-26-git-send-email-linuxram@us.ibm.com> (raw)
In-Reply-To: <1516326648-22775-1-git-send-email-linuxram@us.ibm.com>
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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next prev parent reply other threads:[~2018-01-19 1:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-19 1:50 [PATCH v10 00/27] powerpc, mm: Memory Protection Keys Ram Pai
2018-01-19 1:50 ` [PATCH v10 01/27] mm, powerpc, x86: define VM_PKEY_BITx bits if CONFIG_ARCH_HAS_PKEYS is enabled Ram Pai
2018-01-21 15:34 ` Aneesh Kumar K.V
2018-01-23 6:37 ` Ram Pai
2018-01-19 1:50 ` [PATCH v10 02/27] mm, powerpc, x86: introduce an additional vma bit for powerpc pkey Ram Pai
2018-01-19 1:50 ` [PATCH v10 03/27] powerpc: initial pkey plumbing Ram Pai
2018-01-22 3:34 ` [v10,03/27] " Michael Ellerman
2018-01-19 1:50 ` [PATCH v10 04/27] powerpc: track allocation status of all pkeys Ram Pai
2018-01-19 1:50 ` [PATCH v10 05/27] powerpc: helper function to read,write AMR,IAMR,UAMOR registers Ram Pai
2018-01-19 1:50 ` [PATCH v10 06/27] powerpc: helper functions to initialize AMR, IAMR and UAMOR registers Ram Pai
2018-01-19 1:50 ` [PATCH v10 07/27] powerpc: cleanup AMR, IAMR when a key is allocated or freed Ram Pai
2018-01-19 1:50 ` [PATCH v10 08/27] powerpc: implementation for arch_set_user_pkey_access() Ram Pai
2018-01-19 1:50 ` [PATCH v10 09/27] powerpc: ability to create execute-disabled pkeys Ram Pai
2018-01-19 1:50 ` [PATCH v10 10/27] powerpc: store and restore the pkey state across context switches Ram Pai
2018-01-19 1:50 ` [PATCH v10 11/27] powerpc: introduce execute-only pkey Ram Pai
2018-01-19 1:50 ` [PATCH v10 12/27] powerpc: ability to associate pkey to a vma Ram Pai
2018-01-19 1:50 ` [PATCH v10 13/27] powerpc: implementation for arch_override_mprotect_pkey() Ram Pai
2018-01-19 1:50 ` [PATCH v10 14/27] powerpc: map vma key-protection bits to pte key bits Ram Pai
2018-01-19 1:50 ` [PATCH v10 15/27] powerpc: Program HPTE key protection bits Ram Pai
2018-01-19 1:50 ` [PATCH v10 16/27] powerpc: helper to validate key-access permissions of a pte Ram Pai
2018-01-19 1:50 ` [PATCH v10 17/27] powerpc: check key protection for user page access Ram Pai
2018-01-19 1:50 ` [PATCH v10 18/27] powerpc: implementation for arch_vma_access_permitted() Ram Pai
2018-01-19 1:50 ` [PATCH v10 19/27] powerpc: Handle exceptions caused by pkey violation Ram Pai
2018-01-19 1:50 ` [PATCH v10 20/27] powerpc: introduce get_mm_addr_key() helper Ram Pai
2018-01-19 1:50 ` [PATCH v10 21/27] powerpc: Deliver SEGV signal on pkey violation Ram Pai
2018-01-19 1:50 ` [PATCH v10 22/27] powerpc/ptrace: Add memory protection key regset Ram Pai
2018-01-19 1:50 ` [PATCH v10 23/27] powerpc: Enable pkey subsystem Ram Pai
2018-01-19 1:50 ` [PATCH v10 24/27] powerpc: sys_pkey_alloc() and sys_pkey_free() system calls Ram Pai
2018-01-19 1:50 ` Ram Pai [this message]
2018-01-19 1:50 ` [PATCH v10 26/27] mm, x86 : introduce arch_pkeys_enabled() Ram Pai
2018-01-19 1:50 ` [PATCH v10 27/27] mm: display pkey in smaps if arch_pkeys_enabled() is true Ram Pai
2018-01-19 16:09 ` Eric W. Biederman
2018-01-19 16:50 ` Ram Pai
2018-01-19 17:04 ` Eric W. Biederman
2018-01-30 12:16 ` Michal Hocko
2018-01-30 16:28 ` Ram Pai
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