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authorDave Hansen <dave.hansen@linux.intel.com>2016-02-18 10:35:57 -0800
committerIngo Molnar <mingo@kernel.org>2016-02-18 19:46:28 +0100
commit9d95b1759e0504890049deb2de62e31d7c241c30 (patch)
tree50aa4cf05677d154de61078114e53d002f1b381e /arch/um
parent33a709b25a760b91184bb335cf7d7c32b8123013 (diff)
downloadlinux-9d95b1759e0504890049deb2de62e31d7c241c30.tar.bz2
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>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/include/asm/mmu_context.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h
index 941527e507f7..1a60e1328e2f 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
*/