Messages in this thread | | | Date | Sat, 16 May 2020 17:02:29 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86/mm: Don't try to change poison pages to uncacheable in a guest |
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On Sat, May 16, 2020 at 02:47:42PM +0000, Luck, Tony wrote: > There is only one actual machine check. But the VMM simulates a second > machine check to the guest when the guest tries to access the poisoned > page.
If the VMM unmaps the bad page, why doesn't the guest get a #PF instead injected by the VMM instead of latter injecting a second #MCE?
If the guest tries to access an unmapped page, it should get a #PF, I'd expect.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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