diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
| commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
| tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /arch/x86/xen/mmu.c | |
| parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
| parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/x86/xen/mmu.c')
| -rw-r--r-- | arch/x86/xen/mmu.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 0ac6c5dc49b..45aa771e73a 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -58,7 +58,8 @@ xmaddr_t arbitrary_virt_to_machine(unsigned long address) { - pte_t *pte = lookup_address(address); + int level; + pte_t *pte = lookup_address(address, &level); unsigned offset = address & PAGE_MASK; BUG_ON(pte == NULL); @@ -70,8 +71,9 @@ void make_lowmem_page_readonly(void *vaddr) { pte_t *pte, ptev; unsigned long address = (unsigned long)vaddr; + int level; - pte = lookup_address(address); + pte = lookup_address(address, &level); BUG_ON(pte == NULL); ptev = pte_wrprotect(*pte); @@ -84,8 +86,9 @@ void make_lowmem_page_readwrite(void *vaddr) { pte_t *pte, ptev; unsigned long address = (unsigned long)vaddr; + int level; - pte = lookup_address(address); + pte = lookup_address(address, &level); BUG_ON(pte == NULL); ptev = pte_mkwrite(*pte); @@ -241,12 +244,12 @@ unsigned long long xen_pgd_val(pgd_t pgd) pte_t xen_make_pte(unsigned long long pte) { - if (pte & 1) + if (pte & _PAGE_PRESENT) { pte = phys_to_machine(XPADDR(pte)).maddr; + pte &= ~(_PAGE_PCD | _PAGE_PWT); + } - pte &= ~_PAGE_PCD; - - return (pte_t){ pte, pte >> 32 }; + return (pte_t){ .pte = pte }; } pmd_t xen_make_pmd(unsigned long long pmd) @@ -290,10 +293,10 @@ unsigned long xen_pgd_val(pgd_t pgd) pte_t xen_make_pte(unsigned long pte) { - if (pte & _PAGE_PRESENT) + if (pte & _PAGE_PRESENT) { pte = phys_to_machine(XPADDR(pte)).maddr; - - pte &= ~_PAGE_PCD; + pte &= ~(_PAGE_PCD | _PAGE_PWT); + } return (pte_t){ pte }; } |