linux-kernel - Re: [PATCH v4 0/3] VMM can handle guest SEA via KVM_EXIT_ARM

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Message-ID: <aRZc1SqU01Cyxc5Y@kernel.org>
Date: Thu, 13 Nov 2025 14:33:57 -0800
From: Oliver Upton <oupton@...nel.org>
To: Jiaqi Yan <jiaqiyan@...gle.com>
Cc: oliver.upton@...ux.dev, maz@...nel.org, duenwen@...gle.com,
	rananta@...gle.com, jthoughton@...gle.com, vsethi@...dia.com,
	joey.gouly@....com, suzuki.poulose@....com, yuzenghui@...wei.com,
	catalin.marinas@....com, will@...nel.org, pbonzini@...hat.com,
	corbet@....net, shuah@...nel.org, kvm@...r.kernel.org,
	kvmarm@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kselftest@...r.kernel.org, Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH v4 0/3] VMM can handle guest SEA via KVM_EXIT_ARM_SEA

On Thu, Nov 13, 2025 at 02:14:08PM -0800, Jiaqi Yan wrote:
> On Thu, Nov 13, 2025 at 1:06 PM Oliver Upton <oupton@...nel.org> wrote:
> >
> > On Mon, 13 Oct 2025 18:59:00 +0000, Jiaqi Yan wrote:
> > > Problem
> > > =======
> > >
> > > When host APEI is unable to claim a synchronous external abort (SEA)
> > > during guest abort, today KVM directly injects an asynchronous SError
> > > into the VCPU then resumes it. The injected SError usually results in
> > > unpleasant guest kernel panic.
> > >
> > > [...]
> >
> > I've gone ahead and done some cleanups, especially around documentation.
> >
> > Applied to next, thanks!
> 
> Many thanks, Oliver!
> 
> I assume I still need to send out v5 with typo fixed, comments
> addressed, and your cleanups applied? If so, what specific tag/release
> you want me to rebase v5 onto?

No need -- I took care of the issues I spotted when applying, LMK if
anything looks amiss on kvmarm/next.

Thanks,
Oliver