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| author |   Dave Hansen <dave.hansen@linux.intel.com> | 2016-02-18 10:35:57 -0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-02-18 19:46:28 +0100 |
| commit | 9d95b1759e0504890049deb2de62e31d7c241c30 (patch) | |
| tree | 50aa4cf05677d154de61078114e53d002f1b381e /arch/um | |
| parent | mm/gup, x86/mm/pkeys: Check VMAs and PTEs for protection keys (diff) | |
| download | linux-dev-9d95b1759e0504890049deb2de62e31d7c241c30.tar.xz linux-dev-9d95b1759e0504890049deb2de62e31d7c241c30.zip | |
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.h | 14 |
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 */ |