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Date: Thu, 18 Feb 2016 12:22:38 -0800 From: tip-bot for Dave Hansen <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: mingo@...nel.org, richard@....at, torvalds@...ux-foundation.org, tglx@...utronix.de, hpa@...or.com, dave.hansen@...ux.intel.com, linux-kernel@...r.kernel.org, jdike@...toit.com, dave@...1.net, peterz@...radead.org Subject: [tip:mm/pkeys] um, pkeys: Add UML arch_*_access_permitted() methods Commit-ID: 9d95b1759e0504890049deb2de62e31d7c241c30 Gitweb: http://git.kernel.org/tip/9d95b1759e0504890049deb2de62e31d7c241c30 Author: Dave Hansen <dave.hansen@...ux.intel.com> AuthorDate: Thu, 18 Feb 2016 10:35:57 -0800 Committer: Ingo Molnar <mingo@...nel.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@...ux.intel.com> Cc: Dave Hansen <dave@...1.net> Cc: Jeff Dike <jdike@...toit.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Richard Weinberger <richard@....at> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: linux-kernel@...r.kernel.org Cc: linux-mm@...ck.org Cc: user-mode-linux-devel@...ts.sourceforge.net Cc: user-mode-linux-user@...ts.sourceforge.net Link: http://lkml.kernel.org/r/20160218183557.AE1DB383@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@...nel.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 */
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