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Commit a61bb29a authored Feb 05, 2009 by Jeremy Fitzhardinge

x86: unify pgd_bad



Impact: cleanup

Unify and demacro pgd_bad.

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

parent 30f10316

arch/x86/include/asm/pgtable-3level.h

+0 −5

Original line number	Diff line number	Diff line
		@@ -23,11 +23,6 @@ static inline int pud_none(pud_t pud)
		return pud_val(pud) == 0;
		}

		static inline int pud_bad(pud_t pud)
		{
		return (pud_val(pud) & ~(PTE_PFN_MASK \| _KERNPG_TABLE \| _PAGE_USER)) != 0;
		}

		/* Rules for using set_pte: the pte being assigned must be
		* either not present or in a state where the hardware will
		* not attempt to update the pte. In places where this is

arch/x86/include/asm/pgtable.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -546,6 +546,11 @@ static inline int pud_large(pud_t pud)
		return (pud_val(pud) & (_PAGE_PSE \| _PAGE_PRESENT)) ==
		(_PAGE_PSE \| _PAGE_PRESENT);
		}

		static inline int pud_bad(pud_t pud)
		{
		return (pud_val(pud) & ~(PTE_PFN_MASK \| _KERNPG_TABLE \| _PAGE_USER)) != 0;
		}
		#endif /* PAGETABLE_LEVELS > 2 */

		#if PAGETABLE_LEVELS > 3

arch/x86/include/asm/pgtable_64.h

+0 −5

Original line number	Diff line number	Diff line
		@@ -154,11 +154,6 @@ static inline void native_pgd_clear(pgd_t *pgd)

		#ifndef __ASSEMBLY__

		static inline int pud_bad(pud_t pud)
		{
		return (pud_val(pud) & ~(PTE_PFN_MASK \| _PAGE_USER)) != _KERNPG_TABLE;
		}

		static inline int pmd_bad(pmd_t pmd)
		{
		return (pmd_val(pmd) & ~(PTE_PFN_MASK \| _PAGE_USER)) != _KERNPG_TABLE;