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Date: Mon, 20 Mar 2017 12:40:24 -0700
From: Thomas Garnier <thgarnie@...gle.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H . Peter Anvin" <hpa@...or.com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Alexander Potapenko <glider@...gle.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
Thomas Garnier <thgarnie@...gle.com>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Borislav Petkov <bp@...e.de>,
Hugh Dickins <hughd@...gle.com>,
Xiao Guangrong <guangrong.xiao@...ux.intel.com>,
Matthew Wilcox <willy@...ux.intel.com>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Andy Lutomirski <luto@...nel.org>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Michal Hocko <mhocko@...e.com>,
zijun_hu <zijun_hu@....com>,
Chris Wilson <chris@...is-wilson.co.uk>
Cc: x86@...nel.org,
linux-kernel@...r.kernel.org,
kasan-dev@...glegroups.com,
linux-mm@...ck.org,
kernel-hardening@...ts.openwall.com,
richard.weiyang@...il.com
Subject: [PATCH tip v2] x86/mm: Correct fixmap header usage on adaptable MODULES_END
This patch removes fixmap headers on non-x86 code introduced by the
adaptable MODULE_END change. It is also removed in the 32-bit pgtable
header. Instead, it is added by default in the pgtable generic header
for both architectures.
Signed-off-by: Thomas Garnier <thgarnie@...gle.com>
---
arch/x86/include/asm/pgtable.h | 1 +
arch/x86/include/asm/pgtable_32.h | 1 -
arch/x86/kernel/module.c | 1 -
arch/x86/mm/dump_pagetables.c | 1 -
arch/x86/mm/kasan_init_64.c | 1 -
mm/vmalloc.c | 4 ----
6 files changed, 1 insertion(+), 8 deletions(-)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 6f6f351e0a81..78d1fc32e947 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -598,6 +598,7 @@ pte_t *populate_extra_pte(unsigned long vaddr);
#include <linux/mm_types.h>
#include <linux/mmdebug.h>
#include <linux/log2.h>
+#include <asm/fixmap.h>
static inline int pte_none(pte_t pte)
{
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index fbc73360aea0..bfab55675c16 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -14,7 +14,6 @@
*/
#ifndef __ASSEMBLY__
#include <asm/processor.h>
-#include <asm/fixmap.h>
#include <linux/threads.h>
#include <asm/paravirt.h>
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index fad61caac75e..477ae806c2fa 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -35,7 +35,6 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
-#include <asm/fixmap.h>
#if 0
#define DEBUGP(fmt, ...) \
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 75efeecc85eb..58b5bee7ea27 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -20,7 +20,6 @@
#include <asm/kasan.h>
#include <asm/pgtable.h>
-#include <asm/fixmap.h>
/*
* The dumper groups pagetable entries of the same type into one, and for
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 1bde19ef86bd..8d63d7a104c3 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -9,7 +9,6 @@
#include <asm/tlbflush.h>
#include <asm/sections.h>
-#include <asm/fixmap.h>
extern pgd_t early_level4_pgt[PTRS_PER_PGD];
extern struct range pfn_mapped[E820_X_MAX];
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index b7d2a23349f4..0dd80222b20b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -36,10 +36,6 @@
#include <asm/tlbflush.h>
#include <asm/shmparam.h>
-#ifdef CONFIG_X86
-# include <asm/fixmap.h>
-#endif
-
#include "internal.h"
struct vfree_deferred {
--
2.12.0.367.g23dc2f6d3c-goog
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