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Fix 64bit SMP TLB handler and stack frame handling, optimize 32bit SMP

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TLB handlers a bit, match definitions in pgtable-{32,64}.h better.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thiemo Seufer
2005-04-01 14:07:13 +00:00
committed by Ralf Baechle
parent 7c2740f1c1
commit 1b3a6e975c
5 changed files with 34 additions and 41 deletions
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10
include/asm-mips/pgtable-64.h
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@@ -114,7 +114,7 @@ extern pmd_t invalid_pmd_table[PTRS_PER_PMD];
extern pmd_t empty_bad_pmd_table[PTRS_PER_PMD];
/*
* Empty pmd entries point to the invalid_pte_table.
* Empty pgd/pmd entries point to the invalid_pte_table.
*/
static inline int pmd_none(pmd_t pmd)
{
@@ -156,7 +156,8 @@ static inline void pud_clear(pud_t *pudp)
pud_val(*pudp) = ((unsigned long) invalid_pmd_table);
}
#define pte_page(x) pfn_to_page((unsigned long)((pte_val(x) >> PAGE_SHIFT)))
#define pte_page(x) pfn_to_page(pte_pfn(x))
#ifdef CONFIG_CPU_VR41XX
#define pte_pfn(x) ((unsigned long)((x).pte >> (PAGE_SHIFT + 2)))
#define pfn_pte(pfn, prot) __pte(((pfn) << (PAGE_SHIFT + 2)) | pgprot_val(prot))
@@ -167,12 +168,14 @@ static inline void pud_clear(pud_t *pudp)
#define __pgd_offset(address) pgd_index(address)
#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
#define __pmd_offset(address) pmd_index(address)
#define page_pte(page) page_pte_prot(page, __pgprot(0))
/* to find an entry in a kernel page-table-directory */
#define pgd_offset_k(address) pgd_offset(&init_mm, 0)
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
/* to find an entry in a page-table-directory */
#define pgd_offset(mm,addr) ((mm)->pgd + pgd_index(addr))
@@ -185,8 +188,7 @@ static inline unsigned long pud_page(pud_t pud)
/* Find an entry in the second-level page table.. */
static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address)
{
return (pmd_t *) pud_page(*pud) +
((address >> PMD_SHIFT) & (PTRS_PER_PMD - 1));
return (pmd_t *) pud_page(*pud) + pmd_index(address);
}
/* Find an entry in the third-level page table.. */