Commit d657c733 authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: Don't call get_user_pages(.force = 1) 



This is esoteric and only needed to break COW on MAP_SHARED mappings.  Since
KVM no longer does these sorts of mappings, breaking COW on them is no longer
necessary.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent acee3c04

virt/kvm/kvm_main.c

+1 −1
Original line number Diff line number Diff line
@@ -734,7 +734,7 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) 
		return page_to_pfn(bad_page);

	}



	npages = get_user_pages(current, current->mm, addr, 1, 1, 1, page,

	npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page,

				NULL);



	if (unlikely(npages != 1)) {