Commit 8f609d90 authored May 18, 2015 by Paolo Bonzini Committed by Sasha Levin Jul 03, 2015

KVM: mips: use id_to_memslot correctly



[ Upstream commit 69a1220060c1523fd0515216eaa29e22f133b894 ]

The argument to KVM_GET_DIRTY_LOG is a memslot id; it may not match the
position in the memslots array, which is sorted by gfn.

Cc: stable@vger.kernel.org
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent f731e5c7

arch/mips/kvm/mips.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -784,7 +784,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm kvm, struct kvm_dirty_log log)

		/* If nothing is dirty, don't bother messing with page tables. */
		if (is_dirty) {
		memslot = &kvm->memslots->memslots[log->slot];
		memslot = id_to_memslot(kvm->memslots, log->slot);

		ga = memslot->base_gfn << PAGE_SHIFT;
		ga_end = ga + (memslot->npages << PAGE_SHIFT);