Messages in this thread | | | Date | Fri, 15 Jun 2018 08:16:33 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [PATCH] x86/pti: don't report XenPV as vulnerable |
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On Fri, 15 Jun 2018, Juergen Gross wrote:
> >> wrong for 64-bit, too, in case the mitigation is disabled at hypervisor > >> level. > > > > If that is indeed possible (is it?), then the check we have in > > pti_check_boottime_disable() is wrong as well. > > No, it isn't. PTI for 32-bit kernels isn't paravirtualized, so it has to > be disabled.
I was talking about this "mitigation disabled at Xen hypervisor level for 64-bit" situation though.
-- Jiri Kosina SUSE Labs
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