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| author | Paul Mackerras <paulus@samba.org> | 2005-11-07 04:42:09 +0100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-07 04:42:09 +0100 |
| commit | c6135234550ed89a6fd0e8cb229633967e41d649 (patch) | |
| tree | 22cef33e314839c4fb30d6fc888c0caa2a0f6602 /arch/powerpc/mm/pgtable_64.c | |
| parent | [PATCH] powerpc: Make ppc_md.set_dabr non 64-bit specific (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild (diff) | |
| download | linux-c6135234550ed89a6fd0e8cb229633967e41d649.tar.xz linux-c6135234550ed89a6fd0e8cb229633967e41d649.zip | |
Merge ../linux-2.6
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index d1fbd3fe684f..900842451bd3 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -100,7 +100,6 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags) pud_t *pudp; pmd_t *pmdp; pte_t *ptep; - unsigned long vsid; if (mem_init_done) { pgdp = pgd_offset_k(ea); @@ -116,28 +115,15 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags) set_pte_at(&init_mm, ea, ptep, pfn_pte(pa >> PAGE_SHIFT, __pgprot(flags))); } else { - unsigned long va, vpn, hash, hpteg; - /* * If the mm subsystem is not fully up, we cannot create a * linux page table entry for this mapping. Simply bolt an * entry in the hardware page table. + * */ - vsid = get_kernel_vsid(ea); - va = (vsid << 28) | (ea & 0xFFFFFFF); - vpn = va >> PAGE_SHIFT; - - hash = hpt_hash(vpn, 0); - - hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP); - - /* Panic if a pte grpup is full */ - if (ppc_md.hpte_insert(hpteg, va, pa >> PAGE_SHIFT, - HPTE_V_BOLTED, - _PAGE_NO_CACHE|_PAGE_GUARDED|PP_RWXX) - == -1) { - panic("map_io_page: could not insert mapping"); - } + if (htab_bolt_mapping(ea, ea + PAGE_SIZE, pa, flags, + mmu_virtual_psize)) + panic("Can't map bolted IO mapping"); } return 0; } |