>>> On 07.12.15 at 13:45, <stefano.stabell...@eu.citrix.com> wrote: > On Tue, 24 Nov 2015, Jan Beulich wrote: >> Now that the hypervisor intercepts all config space writes and monitors >> changes to the masking flags, this undoes the main effect of the >> XSA-129 fix, exposing the masking capability again to guests. >> >> Signed-off-by: Jan Beulich <jbeul...@suse.com> >> --- >> TBD: We probably need to deal with running on an older hypervisor. I >> can't, however, immediately see a way for qemu to find out. > > Actually QEMU has already an infrastructure to detect the hypervisor > version at compile time, see include/hw/xen/xen_common.h. You could > #define the right emu_mask depending on the hypervisor.
We don't want compile time detection here, but runtime one. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel