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authorYinghai Lu <yhlu.kernel@gmail.com>2008-06-26 00:51:28 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 07:16:01 -0400
commite7b3789524eecc96213dd69d6686efd429235051 (patch)
tree2d723f289663fdbbf49e967e50c1347f91e6d95f /arch/x86/mm/init_32.c
parent042623bbabae168246ad8a37693f0ecb6c450aea (diff)
x86: move fix mapping page table range early
do that in init_memory_mapping also remove one init_ohci1394_dma_on_all_controllers Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/init_32.c')
-rw-r--r--arch/x86/mm/init_32.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 156000de6e62..b9cf7f705302 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -442,13 +442,10 @@ void __init native_pagetable_setup_done(pgd_t *base)
442 * be partially populated, and so it avoids stomping on any existing 442 * be partially populated, and so it avoids stomping on any existing
443 * mappings. 443 * mappings.
444 */ 444 */
445static void __init pagetable_init(void) 445static void __init early_ioremap_page_table_range_init(pgd_t *pgd_base)
446{ 446{
447 pgd_t *pgd_base = swapper_pg_dir;
448 unsigned long vaddr, end; 447 unsigned long vaddr, end;
449 448
450 paravirt_pagetable_setup_start(pgd_base);
451
452 /* 449 /*
453 * Fixed mappings, only the page table structure has to be 450 * Fixed mappings, only the page table structure has to be
454 * created - mappings will be set by set_fixmap(): 451 * created - mappings will be set by set_fixmap():
@@ -458,6 +455,13 @@ static void __init pagetable_init(void)
458 end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK; 455 end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK;
459 page_table_range_init(vaddr, end, pgd_base); 456 page_table_range_init(vaddr, end, pgd_base);
460 early_ioremap_reset(); 457 early_ioremap_reset();
458}
459
460static void __init pagetable_init(void)
461{
462 pgd_t *pgd_base = swapper_pg_dir;
463
464 paravirt_pagetable_setup_start(pgd_base);
461 465
462 permanent_kmaps_init(pgd_base); 466 permanent_kmaps_init(pgd_base);
463 467
@@ -788,6 +792,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
788 792
789 kernel_physical_mapping_init(pgd_base, start, end); 793 kernel_physical_mapping_init(pgd_base, start, end);
790 794
795 early_ioremap_page_table_range_init(pgd_base);
796
791 load_cr3(swapper_pg_dir); 797 load_cr3(swapper_pg_dir);
792 798
793 __flush_tlb_all(); 799 __flush_tlb_all();
@@ -799,6 +805,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
799 return end >> PAGE_SHIFT; 805 return end >> PAGE_SHIFT;
800} 806}
801 807
808
802/* 809/*
803 * paging_init() sets up the page tables - note that the first 8MB are 810 * paging_init() sets up the page tables - note that the first 8MB are
804 * already mapped by head.S. 811 * already mapped by head.S.