>>> On 19.10.17 at 20:20, <xumengpa...@gmail.com> wrote: > Is there any document about the possible attack via the vPMU? The > document I found (such as [1] and XSA-163) just briefly say that the > vPMU should be disabled due to security concern.
Besides the other responses you've already got, I also recall there being at least some CPU models that would live lock upon the debug store being placed into virtual space not mapped by present pages. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel