diff options
Diffstat (limited to 'virt/kvm/arm/mmu.c')
-rw-r--r-- | virt/kvm/arm/mmu.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index b36945d49986..f8eaf86b740a 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -509,8 +509,6 @@ static void unmap_hyp_range(pgd_t *pgdp, phys_addr_t start, u64 size) */ void free_hyp_pgds(void) { - unsigned long addr; - mutex_lock(&kvm_hyp_pgd_mutex); if (boot_hyp_pgd) { @@ -521,10 +519,10 @@ void free_hyp_pgds(void) if (hyp_pgd) { unmap_hyp_range(hyp_pgd, hyp_idmap_start, PAGE_SIZE); - for (addr = PAGE_OFFSET; virt_addr_valid(addr); addr += PGDIR_SIZE) - unmap_hyp_range(hyp_pgd, kern_hyp_va(addr), PGDIR_SIZE); - for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE) - unmap_hyp_range(hyp_pgd, kern_hyp_va(addr), PGDIR_SIZE); + unmap_hyp_range(hyp_pgd, kern_hyp_va(PAGE_OFFSET), + (uintptr_t)high_memory - PAGE_OFFSET); + unmap_hyp_range(hyp_pgd, kern_hyp_va(VMALLOC_START), + VMALLOC_END - VMALLOC_START); free_pages((unsigned long)hyp_pgd, hyp_pgd_order); hyp_pgd = NULL; @@ -623,7 +621,7 @@ static int create_hyp_pud_mappings(pgd_t *pgd, unsigned long start, return 0; } -static int __create_hyp_mappings(pgd_t *pgdp, +static int __create_hyp_mappings(pgd_t *pgdp, unsigned long ptrs_per_pgd, unsigned long start, unsigned long end, unsigned long pfn, pgprot_t prot) { @@ -636,7 +634,7 @@ static int __create_hyp_mappings(pgd_t *pgdp, addr = start & PAGE_MASK; end = PAGE_ALIGN(end); do { - pgd = pgdp + pgd_index(addr); + pgd = pgdp + ((addr >> PGDIR_SHIFT) & (ptrs_per_pgd - 1)); if (pgd_none(*pgd)) { pud = pud_alloc_one(NULL, addr); @@ -699,8 +697,8 @@ int create_hyp_mappings(void *from, void *to, pgprot_t prot) int err; phys_addr = kvm_kaddr_to_phys(from + virt_addr - start); - err = __create_hyp_mappings(hyp_pgd, virt_addr, - virt_addr + PAGE_SIZE, + err = __create_hyp_mappings(hyp_pgd, PTRS_PER_PGD, + virt_addr, virt_addr + PAGE_SIZE, __phys_to_pfn(phys_addr), prot); if (err) @@ -731,7 +729,7 @@ int create_hyp_io_mappings(void *from, void *to, phys_addr_t phys_addr) if (!is_vmalloc_addr(from) || !is_vmalloc_addr(to - 1)) return -EINVAL; - return __create_hyp_mappings(hyp_pgd, start, end, + return __create_hyp_mappings(hyp_pgd, PTRS_PER_PGD, start, end, __phys_to_pfn(phys_addr), PAGE_HYP_DEVICE); } @@ -1312,7 +1310,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, return -EFAULT; } - if (is_vm_hugetlb_page(vma) && !logging_active) { + if (vma_kernel_pagesize(vma) == PMD_SIZE && !logging_active) { hugetlb = true; gfn = (fault_ipa & PMD_MASK) >> PAGE_SHIFT; } else { @@ -1737,7 +1735,7 @@ static int kvm_map_idmap_text(pgd_t *pgd) int err; /* Create the idmap in the boot page tables */ - err = __create_hyp_mappings(pgd, + err = __create_hyp_mappings(pgd, __kvm_idmap_ptrs_per_pgd(), hyp_idmap_start, hyp_idmap_end, __phys_to_pfn(hyp_idmap_start), PAGE_HYP_EXEC); |