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    Subject[PATCH 10/47] KVM: MMU: make for_each_shadow_entry aware of largepages
    Date
    From: Marcelo Tosatti <mtosatti@redhat.com>

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

    Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
    Signed-off-by: Avi Kivity <avi@redhat.com>
    ---
    arch/x86/kvm/mmu.c | 5 +++++
    1 files changed, 5 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
    index 780ce3f..e18f65b 100644
    --- a/arch/x86/kvm/mmu.c
    +++ b/arch/x86/kvm/mmu.c
    @@ -1302,6 +1302,11 @@ static bool shadow_walk_okay(struct kvm_shadow_walk_iterator *iterator)
    {
    if (iterator->level < PT_PAGE_TABLE_LEVEL)
    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->sptep = ((u64 *)__va(iterator->shadow_addr)) + iterator->index;
    return true;
    --
    1.6.3.3


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