From 19a0f9475a62580729769eb430d5dd38026f0f02 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Fri, 3 Nov 2017 11:20:28 +0100 Subject: [PATCH 109/242] x86/mm: Define _PAGE_TABLE using _KERNPG_TABLE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CVE-2017-5754 ... so that the difference is obvious. No functionality change. Signed-off-by: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20171103102028.20284-1-bp@alien8.de Signed-off-by: Ingo Molnar (backported from commit c7da092a1f243bfd1bfb4124f538e69e941882da) Signed-off-by: Andy Whitcroft Signed-off-by: Kleber Sacilotto de Souza (cherry picked from commit 8c69b0c03cd24576ac69c36ede00afae76bab464) Signed-off-by: Fabian Grünbichler --- arch/x86/include/asm/pgtable_types.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index bf9638e1ee42..01f6dc938ccb 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -121,10 +121,9 @@ #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_DIRTY) #define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | \ _PAGE_DIRTY) +#define _PAGE_TABLE (_KERNPG_TABLE | _PAGE_USER) /* * Set of bits not changed in pte_modify. The pte's -- 2.14.2