Messages in this thread | | | Date | Tue, 25 Apr 2017 22:27:12 +0200 | From | Borislav Petkov <> | Subject | Re: [Xen-devel] [PATCH] x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS if forced to zero |
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On Tue, Apr 25, 2017 at 09:17:13PM +0100, Andrew Cooper wrote: > The problem (for all ring-deprivileged virtuailsation; not just Xen PV), > is that
I know what that that bug flag is for.
I'm asking whether the xen guest boot sets a flag early - like XENPV, for example - which can differentiate between baremetal and virt boot in a fairly generic manner so that we don't set that bug flag then instead of the set and then clear dance we do currently.
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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