diff options
Diffstat (limited to 'virt/kvm/arm/mmu.c')
| -rw-r--r-- | virt/kvm/arm/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index 1d90d79706bd..ea7314296ad1 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c | |||
| @@ -196,6 +196,10 @@ static void clear_stage2_pmd_entry(struct kvm *kvm, pmd_t *pmd, phys_addr_t addr | |||
| 196 | * This is why right after unmapping a page/section and invalidating | 196 | * This is why right after unmapping a page/section and invalidating |
| 197 | * the corresponding TLBs, we call kvm_flush_dcache_p*() to make sure | 197 | * the corresponding TLBs, we call kvm_flush_dcache_p*() to make sure |
| 198 | * the IO subsystem will never hit in the cache. | 198 | * the IO subsystem will never hit in the cache. |
| 199 | * | ||
| 200 | * This is all avoided on systems that have ARM64_HAS_STAGE2_FWB, as | ||
| 201 | * we then fully enforce cacheability of RAM, no matter what the guest | ||
| 202 | * does. | ||
| 199 | */ | 203 | */ |
| 200 | static void unmap_stage2_ptes(struct kvm *kvm, pmd_t *pmd, | 204 | static void unmap_stage2_ptes(struct kvm *kvm, pmd_t *pmd, |
| 201 | phys_addr_t addr, phys_addr_t end) | 205 | phys_addr_t addr, phys_addr_t end) |