x86: move pte types into pgtable*.h

pgtable*.h is intended for definitions relating to actual pagetables
and their entries, so move all the definitions for
(pte|pmd|pud|pgd)(val)?_t to the appropriate pgtable*.h headers.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 2842360..467ce69 100644 (file)
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -31,28 +31,6 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
        alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
 #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
 
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else  /* !CONFIG_PARAVIRT */
-
-#define pgd_val(x)     native_pgd_val(x)
-#define __pgd(x)       native_make_pgd(x)
-
-#ifndef __PAGETABLE_PUD_FOLDED
-#define pud_val(x)     native_pud_val(x)
-#define __pud(x)       native_make_pud(x)
-#endif
-
-#ifndef __PAGETABLE_PMD_FOLDED
-#define pmd_val(x)     native_pmd_val(x)
-#define __pmd(x)       native_make_pmd(x)
-#endif
-
-#define pte_val(x)     native_pte_val(x)
-#define __pte(x)       native_make_pte(x)
-
-#endif /* CONFIG_PARAVIRT */
-
 #define __pa(x)                __phys_addr((unsigned long)(x))
 #define __pa_nodebug(x)        __phys_addr_nodebug((unsigned long)(x))
 /* __pa_symbol should be used for C visible symbols.

diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index 83f820a..b5486aa 100644 (file)
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -43,36 +43,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/types.h>
-
-#ifdef CONFIG_X86_PAE
-typedef u64    pteval_t;
-typedef u64    pmdval_t;
-typedef u64    pudval_t;
-typedef u64    pgdval_t;
-typedef u64    pgprotval_t;
-
-typedef union {
-       struct {
-               unsigned long pte_low, pte_high;
-       };
-       pteval_t pte;
-} pte_t;
-#else  /* !CONFIG_X86_PAE */
-typedef unsigned long  pteval_t;
-typedef unsigned long  pmdval_t;
-typedef unsigned long  pudval_t;
-typedef unsigned long  pgdval_t;
-typedef unsigned long  pgprotval_t;
-
-typedef union {
-       pteval_t pte;
-       pteval_t pte_low;
-} pte_t;
-#endif /* CONFIG_X86_PAE */
-
-extern int nx_enabled;
-
 /*
  * This much address space is reserved for vmalloc() and iomap()
  * as well as fixmap mappings.

diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index d00cd38..bc73af3 100644 (file)
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -71,17 +71,6 @@ extern unsigned long phys_base;
 extern unsigned long __phys_addr(unsigned long);
 #define __phys_reloc_hide(x)   (x)
 
-/*
- * These are used to make use of C type-checking..
- */
-typedef unsigned long  pteval_t;
-typedef unsigned long  pmdval_t;
-typedef unsigned long  pudval_t;
-typedef unsigned long  pgdval_t;
-typedef unsigned long  pgprotval_t;
-
-typedef struct { pteval_t pte; } pte_t;
-
 #define vmemmap ((struct page *)VMEMMAP_START)
 
 extern unsigned long init_memory_mapping(unsigned long start,

diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index 0733853..9f0c959 100644 (file)
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -46,106 +46,15 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/types.h>
-
-typedef struct { pgdval_t pgd; } pgd_t;
-typedef struct { pgprotval_t pgprot; } pgprot_t;
-
-static inline pgd_t native_make_pgd(pgdval_t val)
-{
-       return (pgd_t) { val };
-}
-
-static inline pgdval_t native_pgd_val(pgd_t pgd)
-{
-       return pgd.pgd;
-}
-
-static inline pgdval_t pgd_flags(pgd_t pgd)
-{
-       return native_pgd_val(pgd) & PTE_FLAGS_MASK;
-}
-
-#if PAGETABLE_LEVELS > 3
-typedef struct { pudval_t pud; } pud_t;
-
-static inline pud_t native_make_pud(pmdval_t val)
-{
-       return (pud_t) { val };
-}
-
-static inline pudval_t native_pud_val(pud_t pud)
-{
-       return pud.pud;
-}
-#else
-#include <asm-generic/pgtable-nopud.h>
-
-static inline pudval_t native_pud_val(pud_t pud)
-{
-       return native_pgd_val(pud.pgd);
-}
-#endif
-
-#if PAGETABLE_LEVELS > 2
-typedef struct { pmdval_t pmd; } pmd_t;
-
-static inline pmd_t native_make_pmd(pmdval_t val)
-{
-       return (pmd_t) { val };
-}
-
-static inline pmdval_t native_pmd_val(pmd_t pmd)
-{
-       return pmd.pmd;
-}
-#else
-#include <asm-generic/pgtable-nopmd.h>
-
-static inline pmdval_t native_pmd_val(pmd_t pmd)
-{
-       return native_pgd_val(pmd.pud.pgd);
-}
-#endif
-
-static inline pudval_t pud_flags(pud_t pud)
-{
-       return native_pud_val(pud) & PTE_FLAGS_MASK;
-}
-
-static inline pmdval_t pmd_flags(pmd_t pmd)
-{
-       return native_pmd_val(pmd) & PTE_FLAGS_MASK;
-}
-
-static inline pte_t native_make_pte(pteval_t val)
-{
-       return (pte_t) { .pte = val };
-}
-
-static inline pteval_t native_pte_val(pte_t pte)
-{
-       return pte.pte;
-}
-
-static inline pteval_t pte_flags(pte_t pte)
-{
-       return native_pte_val(pte) & PTE_FLAGS_MASK;
-}
-
-#define pgprot_val(x)  ((x).pgprot)
-#define __pgprot(x)    ((pgprot_t) { (x) } )
-
-
-typedef struct page *pgtable_t;
+struct pgprot;
 
 extern int page_is_ram(unsigned long pagenr);
 extern int pagerange_is_ram(unsigned long start, unsigned long end);
 extern int devmem_is_allowed(unsigned long pagenr);
 extern void map_devmem(unsigned long pfn, unsigned long size,
-                      pgprot_t vma_prot);
+                      struct pgprot vma_prot);
 extern void unmap_devmem(unsigned long pfn, unsigned long size,
-                        pgprot_t vma_prot);
+                        struct pgprot vma_prot);
 
 extern unsigned long max_low_pfn_mapped;
 extern unsigned long max_pfn_mapped;

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index db570f2..7ed73cc 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -4,7 +4,7 @@
  * para-virtualization: those hooks are defined here. */
 
 #ifdef CONFIG_PARAVIRT
-#include <asm/page_types.h>
+#include <asm/pgtable_types.h>
 #include <asm/asm.h>
 
 /* Bitmask of what can be clobbered: usually at least eax. */

diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
index d77db89..09ae67e 100644 (file)
--- a/arch/x86/include/asm/pgtable-2level_types.h
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -1,6 +1,21 @@
 #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
 #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
 
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+typedef unsigned long  pteval_t;
+typedef unsigned long  pmdval_t;
+typedef unsigned long  pudval_t;
+typedef unsigned long  pgdval_t;
+typedef unsigned long  pgprotval_t;
+
+typedef union {
+       pteval_t pte;
+       pteval_t pte_low;
+} pte_t;
+#endif /* !__ASSEMBLY__ */
+
 #define SHARED_KERNEL_PMD      0
 
 /*

diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h
index 6256136..bcc8962 100644 (file)
--- a/arch/x86/include/asm/pgtable-3level_types.h
+++ b/arch/x86/include/asm/pgtable-3level_types.h
@@ -1,6 +1,23 @@
 #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H
 #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H
 
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+typedef u64    pteval_t;
+typedef u64    pmdval_t;
+typedef u64    pudval_t;
+typedef u64    pgdval_t;
+typedef u64    pgprotval_t;
+
+typedef union {
+       struct {
+               unsigned long pte_low, pte_high;
+       };
+       pteval_t pte;
+} pte_t;
+#endif /* !__ASSEMBLY__ */
+
 #ifdef CONFIG_PARAVIRT
 #define SHARED_KERNEL_PMD      (pv_info.shared_kernel_pmd)
 #else
@@ -25,4 +42,5 @@
  */
 #define PTRS_PER_PTE   512
 
+
 #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 9f50850..b0d1066 100644 (file)
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -25,6 +25,66 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 extern spinlock_t pgd_lock;
 extern struct list_head pgd_list;
 
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#else  /* !CONFIG_PARAVIRT */
+#define set_pte(ptep, pte)             native_set_pte(ptep, pte)
+#define set_pte_at(mm, addr, ptep, pte)        native_set_pte_at(mm, addr, ptep, pte)
+
+#define set_pte_present(mm, addr, ptep, pte)                           \
+       native_set_pte_present(mm, addr, ptep, pte)
+#define set_pte_atomic(ptep, pte)                                      \
+       native_set_pte_atomic(ptep, pte)
+
+#define set_pmd(pmdp, pmd)             native_set_pmd(pmdp, pmd)
+
+#ifndef __PAGETABLE_PUD_FOLDED
+#define set_pgd(pgdp, pgd)             native_set_pgd(pgdp, pgd)
+#define pgd_clear(pgd)                 native_pgd_clear(pgd)
+#endif
+
+#ifndef set_pud
+# define set_pud(pudp, pud)            native_set_pud(pudp, pud)
+#endif
+
+#ifndef __PAGETABLE_PMD_FOLDED
+#define pud_clear(pud)                 native_pud_clear(pud)
+#endif
+
+#define pte_clear(mm, addr, ptep)      native_pte_clear(mm, addr, ptep)
+#define pmd_clear(pmd)                 native_pmd_clear(pmd)
+
+#define pte_update(mm, addr, ptep)              do { } while (0)
+#define pte_update_defer(mm, addr, ptep)        do { } while (0)
+
+static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
+{
+       native_pagetable_setup_start(base);
+}
+
+static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
+{
+       native_pagetable_setup_done(base);
+}
+
+#define pgd_val(x)     native_pgd_val(x)
+#define __pgd(x)       native_make_pgd(x)
+
+#ifndef __PAGETABLE_PUD_FOLDED
+#define pud_val(x)     native_pud_val(x)
+#define __pud(x)       native_make_pud(x)
+#endif
+
+#ifndef __PAGETABLE_PMD_FOLDED
+#define pmd_val(x)     native_pmd_val(x)
+#define __pmd(x)       native_make_pmd(x)
+#endif
+
+#define pte_val(x)     native_pte_val(x)
+#define __pte(x)       native_make_pte(x)
+
+#endif /* CONFIG_PARAVIRT */
+
 /*
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
@@ -214,49 +274,6 @@ static inline int is_new_memtype_allowed(unsigned long flags,
        return 1;
 }
 
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else  /* !CONFIG_PARAVIRT */
-#define set_pte(ptep, pte)             native_set_pte(ptep, pte)
-#define set_pte_at(mm, addr, ptep, pte)        native_set_pte_at(mm, addr, ptep, pte)
-
-#define set_pte_present(mm, addr, ptep, pte)                           \
-       native_set_pte_present(mm, addr, ptep, pte)
-#define set_pte_atomic(ptep, pte)                                      \
-       native_set_pte_atomic(ptep, pte)
-
-#define set_pmd(pmdp, pmd)             native_set_pmd(pmdp, pmd)
-
-#ifndef __PAGETABLE_PUD_FOLDED
-#define set_pgd(pgdp, pgd)             native_set_pgd(pgdp, pgd)
-#define pgd_clear(pgd)                 native_pgd_clear(pgd)
-#endif
-
-#ifndef set_pud
-# define set_pud(pudp, pud)            native_set_pud(pudp, pud)
-#endif
-
-#ifndef __PAGETABLE_PMD_FOLDED
-#define pud_clear(pud)                 native_pud_clear(pud)
-#endif
-
-#define pte_clear(mm, addr, ptep)      native_pte_clear(mm, addr, ptep)
-#define pmd_clear(pmd)                 native_pmd_clear(pmd)
-
-#define pte_update(mm, addr, ptep)              do { } while (0)
-#define pte_update_defer(mm, addr, ptep)        do { } while (0)
-
-static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
-{
-       native_pagetable_setup_start(base);
-}
-
-static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
-{
-       native_pagetable_setup_done(base);
-}
-#endif /* CONFIG_PARAVIRT */
-
 #endif /* __ASSEMBLY__ */
 
 #ifdef CONFIG_X86_32

diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index ffaf193..2f59135 100644 (file)
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -1,6 +1,22 @@
 #ifndef _ASM_X86_PGTABLE_64_DEFS_H
 #define _ASM_X86_PGTABLE_64_DEFS_H
 
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef unsigned long  pteval_t;
+typedef unsigned long  pmdval_t;
+typedef unsigned long  pudval_t;
+typedef unsigned long  pgdval_t;
+typedef unsigned long  pgprotval_t;
+
+typedef struct { pteval_t pte; } pte_t;
+
+#endif /* !__ASSEMBLY__ */
+
 #define SHARED_KERNEL_PMD      0
 
 /*

diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index e5d5a8d..a7452f1 100644 (file)
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -162,9 +162,110 @@
 #define PGD_IDENT_ATTR  0x001          /* PRESENT (no other attributes) */
 #endif
 
+#ifdef CONFIG_X86_32
+# include "pgtable_32_types.h"
+#else
+# include "pgtable_64_types.h"
+#endif
+
 #ifndef __ASSEMBLY__
 
+#include <linux/types.h>
+
+typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;
+
+typedef struct { pgdval_t pgd; } pgd_t;
+
+static inline pgd_t native_make_pgd(pgdval_t val)
+{
+       return (pgd_t) { val };
+}
+
+static inline pgdval_t native_pgd_val(pgd_t pgd)
+{
+       return pgd.pgd;
+}
+
+static inline pgdval_t pgd_flags(pgd_t pgd)
+{
+       return native_pgd_val(pgd) & PTE_FLAGS_MASK;
+}
+
+#if PAGETABLE_LEVELS > 3
+typedef struct { pudval_t pud; } pud_t;
+
+static inline pud_t native_make_pud(pmdval_t val)
+{
+       return (pud_t) { val };
+}
+
+static inline pudval_t native_pud_val(pud_t pud)
+{
+       return pud.pud;
+}
+#else
+#include <asm-generic/pgtable-nopud.h>
+
+static inline pudval_t native_pud_val(pud_t pud)
+{
+       return native_pgd_val(pud.pgd);
+}
+#endif
+
+#if PAGETABLE_LEVELS > 2
+typedef struct { pmdval_t pmd; } pmd_t;
+
+static inline pmd_t native_make_pmd(pmdval_t val)
+{
+       return (pmd_t) { val };
+}
+
+static inline pmdval_t native_pmd_val(pmd_t pmd)
+{
+       return pmd.pmd;
+}
+#else
+#include <asm-generic/pgtable-nopmd.h>
+
+static inline pmdval_t native_pmd_val(pmd_t pmd)
+{
+       return native_pgd_val(pmd.pud.pgd);
+}
+#endif
+
+static inline pudval_t pud_flags(pud_t pud)
+{
+       return native_pud_val(pud) & PTE_FLAGS_MASK;
+}
+
+static inline pmdval_t pmd_flags(pmd_t pmd)
+{
+       return native_pmd_val(pmd) & PTE_FLAGS_MASK;
+}
+
+static inline pte_t native_make_pte(pteval_t val)
+{
+       return (pte_t) { .pte = val };
+}
+
+static inline pteval_t native_pte_val(pte_t pte)
+{
+       return pte.pte;
+}
+
+static inline pteval_t pte_flags(pte_t pte)
+{
+       return native_pte_val(pte) & PTE_FLAGS_MASK;
+}
+
+#define pgprot_val(x)  ((x).pgprot)
+#define __pgprot(x)    ((pgprot_t) { (x) } )
+
+
+typedef struct page *pgtable_t;
+
 extern pteval_t __supported_pte_mask;
+extern int nx_enabled;
 
 #define pgprot_writecombine    pgprot_writecombine
 extern pgprot_t pgprot_writecombine(pgprot_t prot);
@@ -217,10 +318,4 @@ extern pte_t *lookup_address(unsigned long address, unsigned int *level);
 
 #endif /* !__ASSEMBLY__ */
 
-#ifdef CONFIG_X86_32
-# include "pgtable_32_types.h"
-#else
-# include "pgtable_64_types.h"
-#endif
-
 #endif /* _ASM_X86_PGTABLE_DEFS_H */

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 656d02e..9630288 100644 (file)
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -16,6 +16,7 @@ struct mm_struct;
 #include <asm/cpufeature.h>
 #include <asm/system.h>
 #include <asm/page.h>
+#include <asm/pgtable_types.h>
 #include <asm/percpu.h>
 #include <asm/msr.h>
 #include <asm/desc_defs.h>