From: tip-bot for Dave Hansen <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, richard@nod.at, torvalds@linux-foundation.org,
tglx@linutronix.de, hpa@zytor.com, dave.hansen@linux.intel.com,
linux-kernel@vger.kernel.org, jdike@addtoit.com, dave@sr71.net,
peterz@infradead.org
Subject: [tip:mm/pkeys] um, pkeys: Add UML arch_*_access_permitted() methods
Date: Thu, 18 Feb 2016 12:22:38 -0800 [thread overview]
Message-ID: <tip-9d95b1759e0504890049deb2de62e31d7c241c30@git.kernel.org> (raw)
In-Reply-To: <20160218183557.AE1DB383@viggo.jf.intel.com>
Commit-ID: 9d95b1759e0504890049deb2de62e31d7c241c30
Gitweb: http://git.kernel.org/tip/9d95b1759e0504890049deb2de62e31d7c241c30
Author: Dave Hansen <dave.hansen@linux.intel.com>
AuthorDate: Thu, 18 Feb 2016 10:35:57 -0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 18 Feb 2016 19:46:28 +0100
um, pkeys: Add UML arch_*_access_permitted() methods
UML has a special mmu_context.h and needs updates whenever the generic one
is updated.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dave Hansen <dave@sr71.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: user-mode-linux-user@lists.sourceforge.net
Link: http://lkml.kernel.org/r/20160218183557.AE1DB383@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/um/include/asm/mmu_context.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h
index 941527e..1a60e13 100644
--- a/arch/um/include/asm/mmu_context.h
+++ b/arch/um/include/asm/mmu_context.h
@@ -27,6 +27,20 @@ static inline void arch_bprm_mm_init(struct mm_struct *mm,
struct vm_area_struct *vma)
{
}
+
+static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
+ bool write, bool execute, bool foreign)
+{
+ /* by default, allow everything */
+ return true;
+}
+
+static inline bool arch_pte_access_permitted(pte_t pte, bool write)
+{
+ /* by default, allow everything */
+ return true;
+}
+
/*
* end asm-generic/mm_hooks.h functions
*/
prev parent reply other threads:[~2016-02-18 20:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 18:35 [PATCH] um, pkeys: give UML an arch_vma_access_permitted() Dave Hansen
2016-02-18 18:35 ` Dave Hansen
2016-02-18 20:22 ` tip-bot for Dave Hansen [this message]
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