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Merge branch 'x86/urgent' into core/percpu

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Conflicts:
	arch/x86/kernel/acpi/boot.c
This commit is contained in:
Ingo Molnar
2009-02-10 00:41:02 +01:00
parent 5d96218b4a d315760ffa
commit 92e2d50846
24 changed files with 198 additions and 115 deletions
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26
arch/x86/include/asm/pgtable.h
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@ -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)