diff options
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/mem_protect.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index 31173c694695..be4f7c5612f8 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -219,14 +219,32 @@ static void guest_s2_put_page(void *addr) static void clean_dcache_guest_page(void *va, size_t size) { - __clean_dcache_guest_page(hyp_fixmap_map(__hyp_pa(va)), size); - hyp_fixmap_unmap(); + size += va - PTR_ALIGN_DOWN(va, PAGE_SIZE); + va = PTR_ALIGN_DOWN(va, PAGE_SIZE); + size = PAGE_ALIGN(size); + + while (size) { + __clean_dcache_guest_page(hyp_fixmap_map(__hyp_pa(va)), + PAGE_SIZE); + hyp_fixmap_unmap(); + va += PAGE_SIZE; + size -= PAGE_SIZE; + } } static void invalidate_icache_guest_page(void *va, size_t size) { - __invalidate_icache_guest_page(hyp_fixmap_map(__hyp_pa(va)), size); - hyp_fixmap_unmap(); + size += va - PTR_ALIGN_DOWN(va, PAGE_SIZE); + va = PTR_ALIGN_DOWN(va, PAGE_SIZE); + size = PAGE_ALIGN(size); + + while (size) { + __invalidate_icache_guest_page(hyp_fixmap_map(__hyp_pa(va)), + PAGE_SIZE); + hyp_fixmap_unmap(); + va += PAGE_SIZE; + size -= PAGE_SIZE; + } } int kvm_guest_prepare_stage2(struct pkvm_hyp_vm *vm, void *pgd) |