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Re: [PATCH v3 02/11] x86/hvm: drop domain parameter from vioapic/vpic EOI callbacks
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Thu, 1 Apr 2021 11:15:52 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, "Paul Durrant" <paul@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 01 Apr 2021 09:16:03 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Wed, Mar 31, 2021 at 06:04:43PM +0200, Jan Beulich wrote:
> On 31.03.2021 12:32, Roger Pau Monne wrote:
> > EOIs are always executed in guest vCPU context, so there's no reason to
> > pass a domain parameter around as can be fetched from current->domain.
> >
> > No functional change intended.
> >
> > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > Reviewed-by: Paul Durrant <paul@xxxxxxx>
> > ---
> > Changes since v1:
> > - New in this version.
>
> Just to make it explicit - possibly same thing as with patch 1,
> depending on how exactly the issue there gets taken care of.
I don't think we have any scenario ATM where we allow EOI'ing of
interrupts from a different vCPU context, neither I can see us
allowing such in the future, but I don't want this discussion to block
the series, hence I'm going to drop this patch together with patch 1.
Roger.
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