On 15/09/15 17:28, Thomas DEBESSE wrote: > 2015-09-15 18:09 GMT+02:00 Andrew Cooper <andrew.coop...@citrix.com > <mailto:andrew.coop...@citrix.com>>: > > The instantiation of HYPERVISOR_update_va_mapping() in > set_aliased_prot() has always been buggy in pvops kernels. > > This bug should be fixed by c/s 0b0e55 "x86/xen: Probe target > addresses in set_aliased_prot before the hypercall" which is in > the process of being backported to #stable as a prerequisite for > the recent LDT CVE fixes. > > ~Andrew > > > OK thanks, I will stick with the 3.2 kernel for the moment, it seems > to work with it. > I don't know why, but only one vm seems to be affected (and they all > are built the same way).
It will depend on userspace running in the VM as to whether the bug gets tickled. ~Andrew
_______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
