10 files changed, 30 insertions, 17 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 4035357f5b9d..132a134d12f2 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -2,8 +2,8 @@
 #define _ASM_X86_DMA_MAPPING_H
 
 /*
- * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
- * documentation.
+ * IOMMU interface. See Documentation/PCI/PCI-DMA-mapping.txt and
+ * Documentation/DMA-API.txt for documentation.
  */
 
 #include <linux/scatterlist.h>
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 3d8ceddbd407..00d41ce4c844 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -49,6 +49,7 @@
 #define E820_RESERVED_KERN        128
 
 #ifndef __ASSEMBLY__
+#include <linux/types.h>
 struct e820entry {
 	__u64 addr;	/* start of memory segment */
 	__u64 size;	/* size of memory segment */
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index b95162af0bf6..d2e3bf3608af 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -6,7 +6,7 @@
  *
  */
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/ioctl.h>
 
 /* Architectural interrupt line count. */
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 1d6e17c2f23a..32c6e17b960b 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -3,8 +3,8 @@
 
 #ifdef __x86_64__
 
+#include <linux/types.h>
 #include <asm/ioctls.h>
-#include <asm/types.h>
 
 /*
  * Machine Check support for x86
@@ -115,8 +115,6 @@ extern int mce_notify_user(void);
 
 #endif /* !CONFIG_X86_32 */
 
-
-
 #ifdef CONFIG_X86_MCE
 extern void mcheck_init(struct cpuinfo_x86 *c);
 #else
@@ -126,5 +124,4 @@ extern void stop_mce(void);
 extern void restart_mce(void);
 
 #endif /* __KERNEL__ */
-
 #endif /* _ASM_X86_MCE_H */
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 14080d22edb3..a51ada8467de 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -23,6 +23,7 @@
 #ifndef _ASM_X86_MTRR_H
 #define _ASM_X86_MTRR_H
 
+#include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/errno.h>
 
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 6ceaef08486f..6f7c102018bf 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -316,16 +316,30 @@ static inline pte_t pte_mkspecial(pte_t pte)
 
 extern pteval_t __supported_pte_mask;
 
+/*
+ * Mask out unsupported bits in a present pgprot.  Non-present pgprots
+ * can use those bits for other purposes, so leave them be.
+ */
+static inline pgprotval_t massage_pgprot(pgprot_t pgprot)
+{
+	pgprotval_t protval = pgprot_val(pgprot);
+
+	if (protval & _PAGE_PRESENT)
+		protval &= __supported_pte_mask;
+
+	return protval;
+}
+
 static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
 {
-	return __pte((((phys_addr_t)page_nr << PAGE_SHIFT) |
-		      pgprot_val(pgprot)) & __supported_pte_mask);
+	return __pte(((phys_addr_t)page_nr << PAGE_SHIFT) |
+		     massage_pgprot(pgprot));
 }
 
 static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
 {
-	return __pmd((((phys_addr_t)page_nr << PAGE_SHIFT) |
-		      pgprot_val(pgprot)) & __supported_pte_mask);
+	return __pmd(((phys_addr_t)page_nr << PAGE_SHIFT) |
+		     massage_pgprot(pgprot));
 }
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
@@ -337,7 +351,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 	 * the newprot (if present):
 	 */
 	val &= _PAGE_CHG_MASK;
-	val |= pgprot_val(newprot) & (~_PAGE_CHG_MASK) & __supported_pte_mask;
+	val |= massage_pgprot(newprot) & ~_PAGE_CHG_MASK;
 
 	return __pte(val);
 }
@@ -353,7 +367,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
 
 #define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
 
-#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
+#define canon_pgprot(p) __pgprot(massage_pgprot(p))
 
 static inline int is_new_memtype_allowed(unsigned long flags,
 						unsigned long new_flags)
diff --git a/arch/x86/include/asm/ptrace-abi.h b/arch/x86/include/asm/ptrace-abi.h
index 25f1bb8fc626..8e0f8d199e05 100644
--- a/arch/x86/include/asm/ptrace-abi.h
+++ b/arch/x86/include/asm/ptrace-abi.h
@@ -83,7 +83,7 @@
 #ifdef CONFIG_X86_PTRACE_BTS
 
 #ifndef __ASSEMBLY__
-#include <asm/types.h>
+#include <linux/types.h>
 
 /* configuration/status structure used in PTRACE_BTS_CONFIG and
    PTRACE_BTS_STATUS commands.
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index 0afcb5e58acc..ec666491aaa4 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -2,7 +2,7 @@
 #define _ASM_X86_SIGCONTEXT_H
 
 #include <linux/compiler.h>
-#include <asm/types.h>
+#include <linux/types.h>
 
 #define FP_XSTATE_MAGIC1	0x46505853U
 #define FP_XSTATE_MAGIC2	0x46505845U
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
index 306d4178ffc9..557cd9f00661 100644
--- a/arch/x86/include/asm/swab.h
+++ b/arch/x86/include/asm/swab.h
@@ -1,7 +1,7 @@
 #ifndef _ASM_X86_SWAB_H
 #define _ASM_X86_SWAB_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/compiler.h>
 
 static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 7ef617ef1df3..4bd990ee43df 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -137,7 +137,7 @@ static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot)
 	pte_t pte;
 
 	pte.pte = ((phys_addr_t)page_nr << PAGE_SHIFT) |
-		(pgprot_val(pgprot) & __supported_pte_mask);
+			massage_pgprot(pgprot);
 
 	return pte;
 }