Re: [Xen-devel] [PATCH v3 3/5] x86: track when in #MC context

[Jan Beulich <jbeulich@xxxxxxxx>]

On 24.02.2020 11:46, Roger Pau Monne wrote:
> Add helpers to track when executing in #MC context. This is modeled
> after the in_irq helpers.

Same concern regarding the name as for NMI, i.e. perhaps
in_mce_handler() here. (Note also the added 'e', which I think
would make for slightly less in risk of becoming ambiguous
names.) It may be worthwhile also talking about the possible
(in theory) nesting here, as you do in the NMI patch
description. (In practice nesting of #MC is fatal, because of
the stack switch we request when the handler gets invoked.
But this is something that could be changed, so assuming here
that nesting is possible seems appropriate to me.)

Jan


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