diff options
Diffstat (limited to 'arch/tile/mm/init.c')
-rw-r--r-- | arch/tile/mm/init.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index 830c4908ea76..8400d3fb9e0a 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c | |||
@@ -557,6 +557,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) | |||
557 | 557 | ||
558 | address = MEM_SV_INTRPT; | 558 | address = MEM_SV_INTRPT; |
559 | pmd = get_pmd(pgtables, address); | 559 | pmd = get_pmd(pgtables, address); |
560 | pfn = 0; /* code starts at PA 0 */ | ||
560 | if (ktext_small) { | 561 | if (ktext_small) { |
561 | /* Allocate an L2 PTE for the kernel text */ | 562 | /* Allocate an L2 PTE for the kernel text */ |
562 | int cpu = 0; | 563 | int cpu = 0; |
@@ -579,10 +580,15 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) | |||
579 | } | 580 | } |
580 | 581 | ||
581 | BUG_ON(address != (unsigned long)_stext); | 582 | BUG_ON(address != (unsigned long)_stext); |
582 | pfn = 0; /* code starts at PA 0 */ | 583 | pte = NULL; |
583 | pte = alloc_pte(); | 584 | for (; address < (unsigned long)_einittext; |
584 | for (pte_ofs = 0; address < (unsigned long)_einittext; | 585 | pfn++, address += PAGE_SIZE) { |
585 | pfn++, pte_ofs++, address += PAGE_SIZE) { | 586 | pte_ofs = pte_index(address); |
587 | if (pte_ofs == 0) { | ||
588 | if (pte) | ||
589 | assign_pte(pmd++, pte); | ||
590 | pte = alloc_pte(); | ||
591 | } | ||
586 | if (!ktext_local) { | 592 | if (!ktext_local) { |
587 | prot = set_remote_cache_cpu(prot, cpu); | 593 | prot = set_remote_cache_cpu(prot, cpu); |
588 | cpu = cpumask_next(cpu, &ktext_mask); | 594 | cpu = cpumask_next(cpu, &ktext_mask); |
@@ -591,7 +597,8 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) | |||
591 | } | 597 | } |
592 | pte[pte_ofs] = pfn_pte(pfn, prot); | 598 | pte[pte_ofs] = pfn_pte(pfn, prot); |
593 | } | 599 | } |
594 | assign_pte(pmd, pte); | 600 | if (pte) |
601 | assign_pte(pmd, pte); | ||
595 | } else { | 602 | } else { |
596 | pte_t pteval = pfn_pte(0, PAGE_KERNEL_EXEC); | 603 | pte_t pteval = pfn_pte(0, PAGE_KERNEL_EXEC); |
597 | pteval = pte_mkhuge(pteval); | 604 | pteval = pte_mkhuge(pteval); |
@@ -614,7 +621,9 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) | |||
614 | else | 621 | else |
615 | pteval = hv_pte_set_mode(pteval, | 622 | pteval = hv_pte_set_mode(pteval, |
616 | HV_PTE_MODE_CACHE_NO_L3); | 623 | HV_PTE_MODE_CACHE_NO_L3); |
617 | *(pte_t *)pmd = pteval; | 624 | for (; address < (unsigned long)_einittext; |
625 | pfn += PFN_DOWN(HPAGE_SIZE), address += HPAGE_SIZE) | ||
626 | *(pte_t *)(pmd++) = pfn_pte(pfn, pteval); | ||
618 | } | 627 | } |
619 | 628 | ||
620 | /* Set swapper_pgprot here so it is flushed to memory right away. */ | 629 | /* Set swapper_pgprot here so it is flushed to memory right away. */ |