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x86: move defs around to allow paravirt.h to just include page_types.h
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Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
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Jeremy Fitzhardinge authored and Jeremy Fitzhardinge committed Feb 11, 2009
1 parent 1dfc07a commit e42778d
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Showing 4 changed files with 77 additions and 79 deletions.
78 changes: 0 additions & 78 deletions arch/x86/include/asm/page.h
Original file line number Diff line number Diff line change
Expand Up @@ -31,84 +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

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
#if PAGETABLE_LEVELS == 4
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 /* PAGETABLE_LEVELS == 3 */
static inline pudval_t native_pud_val(pud_t pud)
{
return native_pgd_val(pud.pgd);
}
#endif /* PAGETABLE_LEVELS == 4 */

static inline pudval_t pud_flags(pud_t pud)
{
return native_pud_val(pud) & PTE_FLAGS_MASK;
}

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 /* PAGETABLE_LEVELS == 2 */
static inline pmdval_t native_pmd_val(pmd_t pmd)
{
return native_pgd_val(pmd.pud.pgd);
}
#endif /* PAGETABLE_LEVELS >= 3 */

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) } )

#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#else /* !CONFIG_PARAVIRT */
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2 changes: 2 additions & 0 deletions arch/x86/include/asm/page_32_types.h
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@

#ifndef __ASSEMBLY__

#include <linux/types.h>

#ifdef CONFIG_X86_PAE
typedef u64 pteval_t;
typedef u64 pmdval_t;
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74 changes: 74 additions & 0 deletions arch/x86/include/asm/page_types.h
Original file line number Diff line number Diff line change
Expand Up @@ -51,18 +51,92 @@
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 pudval_t pud_flags(pud_t pud)
{
return native_pud_val(pud) & PTE_FLAGS_MASK;
}

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 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 int page_is_ram(unsigned long pagenr);
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2 changes: 1 addition & 1 deletion arch/x86/include/asm/paravirt.h
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
* para-virtualization: those hooks are defined here. */

#ifdef CONFIG_PARAVIRT
#include <asm/page.h>
#include <asm/page_types.h>
#include <asm/asm.h>

/* Bitmask of what can be clobbered: usually at least eax. */
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