On 12/11/18 14:37, joro@xxxxxxxxxx wrote: > On Mon, Nov 12, 2018 at 12:23:14PM +0000, Suthikulpanit, Suravee wrote: >> From: Wei Wang <wawei@xxxxxxxxx> >> >> There is a race condition when accessing kvm->arch.apic_access_page_done. >> Due to it, x86_set_memory_region will fail when creating the second vcpu >> for a svm guest. >> >> Add a mutex_lock to serialize the accesses to apic_access_page_done. >> This lock is also used by vmx for the same purpose. >> >> Signed-off-by: Wei Wang <wawei@xxxxxxxxx> >> Signed-off-by: Amadeusz Juskowiak <ajusk@xxxxxxxxx> >> Signed-off-by: Julian Stecklina <jsteckli@xxxxxxxxx> >> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> > Reviewed-by: Joerg Roedel <jroedel@xxxxxxx> Queued, thanks. Paolo