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| author | Ingo Molnar <mingo@kernel.org> | 2021-02-12 14:54:51 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-12 14:54:58 +0300 |
| commit | 62137364e3e8afcc745846c5c67cacf943149073 (patch) | |
| tree | 42f2bdee6b16e383b6e0a94cb3abc62f335d721a /virt/kvm/kvm_main.c | |
| parent | 6c80408a8a0360fa9223b8c21c0ab8ef42e88bfe (diff) | |
| parent | dcc0b49040c70ad827a7f3d58a21b01fdb14e749 (diff) | |
| download | linux-62137364e3e8afcc745846c5c67cacf943149073.tar.xz | |
Merge branch 'linus' into locking/core, to pick up upstream fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 5f260488e999..8367d88ce39b 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -485,9 +485,8 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, kvm->mmu_notifier_count++; need_tlb_flush = kvm_unmap_hva_range(kvm, range->start, range->end, range->flags); - need_tlb_flush |= kvm->tlbs_dirty; /* we've to flush the tlb before the pages can be freed */ - if (need_tlb_flush) + if (need_tlb_flush || kvm->tlbs_dirty) kvm_flush_remote_tlbs(kvm); spin_unlock(&kvm->mmu_lock); @@ -1293,6 +1292,7 @@ int __kvm_set_memory_region(struct kvm *kvm, return -EINVAL; /* We can read the guest memory with __xxx_user() later on. */ if ((mem->userspace_addr & (PAGE_SIZE - 1)) || + (mem->userspace_addr != untagged_addr(mem->userspace_addr)) || !access_ok((void __user *)(unsigned long)mem->userspace_addr, mem->memory_size)) return -EINVAL; |