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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-20 15:35:58 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-20 15:35:58 +0100 |
commit | 1b1c7409b75a8b62906b78b84c8469002072b738 (patch) | |
tree | 91ceea4d8fae61b29e9a716c5e6ad56c3b5f588b /arch/arm/mm/mmu.c | |
parent | Merge branches 'fixes' and 'mmci' into for-linus (diff) | |
parent | ARM: add SCHED_HRTICK config option (diff) | |
download | linux-1b1c7409b75a8b62906b78b84c8469002072b738.tar.xz linux-1b1c7409b75a8b62906b78b84c8469002072b738.zip |
Merge branch 'misc' into for-linus
Conflicts:
arch/arm/include/asm/memory.h
Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r-- | arch/arm/mm/mmu.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index ce328c7f5c94..69bb735474fe 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -757,21 +757,24 @@ void __init iotable_init(struct map_desc *io_desc, int nr) { struct map_desc *md; struct vm_struct *vm; + struct static_vm *svm; if (!nr) return; - vm = early_alloc_aligned(sizeof(*vm) * nr, __alignof__(*vm)); + svm = early_alloc_aligned(sizeof(*svm) * nr, __alignof__(*svm)); for (md = io_desc; nr; md++, nr--) { create_mapping(md); + + vm = &svm->vm; vm->addr = (void *)(md->virtual & PAGE_MASK); vm->size = PAGE_ALIGN(md->length + (md->virtual & ~PAGE_MASK)); vm->phys_addr = __pfn_to_phys(md->pfn); vm->flags = VM_IOREMAP | VM_ARM_STATIC_MAPPING; vm->flags |= VM_ARM_MTYPE(md->type); vm->caller = iotable_init; - vm_area_add_early(vm++); + add_static_vm_early(svm++); } } @@ -779,13 +782,16 @@ void __init vm_reserve_area_early(unsigned long addr, unsigned long size, void *caller) { struct vm_struct *vm; + struct static_vm *svm; + + svm = early_alloc_aligned(sizeof(*svm), __alignof__(*svm)); - vm = early_alloc_aligned(sizeof(*vm), __alignof__(*vm)); + vm = &svm->vm; vm->addr = (void *)addr; vm->size = size; vm->flags = VM_IOREMAP | VM_ARM_EMPTY_MAPPING; vm->caller = caller; - vm_area_add_early(vm); + add_static_vm_early(svm); } #ifndef CONFIG_ARM_LPAE @@ -810,14 +816,13 @@ static void __init pmd_empty_section_gap(unsigned long addr) static void __init fill_pmd_gaps(void) { + struct static_vm *svm; struct vm_struct *vm; unsigned long addr, next = 0; pmd_t *pmd; - /* we're still single threaded hence no lock needed here */ - for (vm = vmlist; vm; vm = vm->next) { - if (!(vm->flags & (VM_ARM_STATIC_MAPPING | VM_ARM_EMPTY_MAPPING))) - continue; + list_for_each_entry(svm, &static_vmlist, list) { + vm = &svm->vm; addr = (unsigned long)vm->addr; if (addr < next) continue; @@ -857,19 +862,12 @@ static void __init fill_pmd_gaps(void) #if defined(CONFIG_PCI) && !defined(CONFIG_NEED_MACH_IO_H) static void __init pci_reserve_io(void) { - struct vm_struct *vm; - unsigned long addr; + struct static_vm *svm; - /* we're still single threaded hence no lock needed here */ - for (vm = vmlist; vm; vm = vm->next) { - if (!(vm->flags & VM_ARM_STATIC_MAPPING)) - continue; - addr = (unsigned long)vm->addr; - addr &= ~(SZ_2M - 1); - if (addr == PCI_IO_VIRT_BASE) - return; + svm = find_static_vm_vaddr((void *)PCI_IO_VIRT_BASE); + if (svm) + return; - } vm_reserve_area_early(PCI_IO_VIRT_BASE, SZ_2M, pci_reserve_io); } #else |