| Date | Fri, 27 Oct 2017 22:11:41 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 09/18] x86/asm/64: De-Xen-ify our NMI code |
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On Thu, Oct 26, 2017 at 01:26:41AM -0700, Andy Lutomirski wrote: > Xen PV is fundamentally incompatible with our fancy NMI code: it > doesn't use IST at all, and Xen entries clobber two stack slots > below the hardware frame. > > Drop Xen PV support from our NMI code entirely. > > Cc: Juergen Gross <jgross@suse.com> > Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> > Signed-off-by: Andy Lutomirski <luto@kernel.org> > --- > arch/x86/entry/entry_64.S | 30 ++++++++++++++++++------------ > 1 file changed, 18 insertions(+), 12 deletions(-)
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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