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

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Message-ID: <CACw3F50ti1cXOLwhyEbM8OCmwEaDDXK-r3QT+qfz2=a0yCTBjA@mail.gmail.com>
Date: Thu, 13 Nov 2025 16:53:15 -0800
From: Jiaqi Yan <jiaqiyan@...gle.com>
To: Oliver Upton <oupton@...nel.org>
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 2:34 PM Oliver Upton <oupton@...nel.org> wrote:
>
> 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.

I took a look and everything looks fixed, and thanks for nearly
rewriting the documentation!

>
> Thanks,
> Oliver