Messages in this thread | | | Date | Mon, 21 Jun 2021 14:40:40 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v7 1/2] x86/sev: Make sure IRQs are disabled while GHCB is active |
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On Fri, Jun 18, 2021 at 01:54:08PM +0200, Joerg Roedel wrote: > From: Joerg Roedel <jroedel@suse.de> > > The #VC handler only cares about IRQs being disabled while the GHCB is > active, as it must not be interrupted by something which could cause > another #VC while it holds the GHCB (NMI is the exception for which the > backup GHCB exits). > > Make sure nothing interrupts the code path while the GHCB is active by > disabling IRQs in sev_es_get_ghcb() and restoring the previous irq state > in sev_es_put_ghcb().
Note for committer: update those function names.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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