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Commit 4d88954d authored by Marcelo Tosatti's avatar Marcelo Tosatti Committed by Avi Kivity
Browse files

KVM: MMU: make for_each_shadow_entry aware of largepages 



This way there is no need to add explicit checks in every
for_each_shadow_entry user.

Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent e799794e

arch/x86/kvm/mmu.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -1302,6 +1302,11 @@ static bool shadow_walk_okay(struct kvm_shadow_walk_iterator *iterator) 
{

{

	if (iterator->level < PT_PAGE_TABLE_LEVEL)

	if (iterator->level < PT_PAGE_TABLE_LEVEL)

		return false;

		return false;



	if (iterator->level == PT_PAGE_TABLE_LEVEL)

		if (is_large_pte(*iterator->sptep))

			return false;



	iterator->index = SHADOW_PT_INDEX(iterator->addr, iterator->level);

	iterator->index = SHADOW_PT_INDEX(iterator->addr, iterator->level);

	iterator->sptep	= ((u64 *)__va(iterator->shadow_addr)) + iterator->index;

	iterator->sptep	= ((u64 *)__va(iterator->shadow_addr)) + iterator->index;

	return true;

	return true;