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Re: [PATCH RFC 0/6] x86/ioapic: fix edge triggered interrupt migration
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Fri, 20 May 2022 14:36:08 +0200
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On Thu, Apr 21, 2022 at 03:21:08PM +0200, Roger Pau Monne wrote:
> Hello,
>
> Following series attempts to solve the issue with IO-APIC edge triggered
> interrupts seeing an inconsistent RTE or IRTE when injected while being
> migrated.
>
> It's currently RFC because some patches have post commit message notes,
> and because I'm not sure if patch 1 is really needed. I originally had
> the idea of suggesting to only backport patch 1 in order to fix the
> issue in older releases, while leaving the more complex (and thus
> error prone) IOMMU changes in unstable. Note however that patch 1 is
> just a workaround to prevent interrupts seeing inconsistent entries
> while being updated, masking the entry just makes the warning go away,
> but the interrupt will be lost.
Ping?
Thanks, Roger.
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