On Fri, Jun 18, 2021 at 01:54:08PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <[email protected]>
>
> 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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