We always do synchronous fault in for those pages. Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> --- Or, does it make sense to allow async pf for PFNMAP|IO too? I just didn't figure out why not... --- virt/kvm/kvm_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 74bdb7bf3295..2f1f2f56e93d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1807,7 +1807,7 @@ static bool vma_is_valid(struct vm_area_struct *vma, bool write_fault) } static int hva_to_pfn_remapped(struct vm_area_struct *vma, - unsigned long addr, bool *async, + unsigned long addr, bool write_fault, bool *writable, kvm_pfn_t *p_pfn) { @@ -1902,7 +1902,7 @@ static kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async, if (vma == NULL) pfn = KVM_PFN_ERR_FAULT; else if (vma->vm_flags & (VM_IO | VM_PFNMAP)) { - r = hva_to_pfn_remapped(vma, addr, async, write_fault, writable, &pfn); + r = hva_to_pfn_remapped(vma, addr, write_fault, writable, &pfn); if (r == -EAGAIN) goto retry; if (r < 0) -- 2.24.1