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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2017-03-17 00:39:06 +0300
committerIngo Molnar <mingo@kernel.org>2017-03-18 09:48:03 +0100
commit2947ba054a4dabbd82848728d765346886050029 (patch)
tree33f5aa9089e59c49fc531813d59c50074f729098 /arch/x86/include/asm/mmu_context.h
parent73e10a61817dfc97fe7418bfad1f608e562d7348 (diff)
x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation
This patch provides all required callbacks required by the generic get_user_pages_fast() code and switches x86 over - and removes the platform specific implementation. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Aneesh Kumar K . V <aneesh.kumar@linux.vnet.ibm.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dann Frazier <dann.frazier@canonical.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arch@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20170316213906.89528-1-kirill.shutemov@linux.intel.com [ Minor readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/mmu_context.h')
-rw-r--r--arch/x86/include/asm/mmu_context.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index 68b329d77b3a..6e933d2d88d9 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -220,18 +220,6 @@ static inline int vma_pkey(struct vm_area_struct *vma)
}
#endif
-static inline bool __pkru_allows_pkey(u16 pkey, bool write)
-{
- u32 pkru = read_pkru();
-
- if (!__pkru_allows_read(pkru, pkey))
- return false;
- if (write && !__pkru_allows_write(pkru, pkey))
- return false;
-
- return true;
-}
-
/*
* We only want to enforce protection keys on the current process
* because we effectively have no access to PKRU for other