On 2/12/19 11:42 AM, Razvan Cojocaru wrote: > HVMOP_altp2m_set_domain_state does not domain_pause(), presumably > on purpose (as it was originally supposed to cater to a in-guest > agent, and a domain pausing itself is not a good idea). > > This can lead to domain crashes in the vmx_vmexit_handler() code > that checks if the guest has the ability to switch EPTP without an > exit. That code can __vmread() the host p2m's EPT_POINTER > (before HVMOP_altp2m_set_domain_state "for_each_vcpu()" has a > chance to run altp2m_vcpu_initialise(), but after > d->arch.altp2m_active is set).
Sorry, where exactly does the crash happen? -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
