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um, pkeys: Add UML arch_*_access_permitted() methods

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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>
This commit is contained in:
Dave Hansen
2016-02-18 10:35:57 -08:00
committed by Ingo Molnar
parent 33a709b25a
commit 9d95b1759e
1 changed files with 14 additions and 0 deletions
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14
arch/um/include/asm/mmu_context.h
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@@ -27,6 +27,20 @@ static inline void arch_bprm_mm_init(struct mm_struct *mm,
struct vm_area_struct *vma) 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 * end asm-generic/mm_hooks.h functions
*/ */