Joerg Rodel wrote: > I did a bit meditation about the softmmu code today. In the path of the > NPT fault the function kvm_mmu_free_some_pages() is called which itself > calls kvm_mmu_zap_page(). There the two functions > kvm_mmu_page_unlink_children() and kvm_mmu_unlink_parents() are called. > They both call mmu_page_remove_parent_pte() which modifies ptes. But > only the first function, kvm_mmu_page_unlink_children(), flushes remote > TLBs. The function kvm_mmu_unlink_parents() does not. Is this correct? > >
It isn't correct. I'll move the flush below. Good catch. However, I can't believe this is responsible. There is very little page zapping going on with npt. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
