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From: Oliver Upton <oliver.upton@linux.dev>
To: Sean Christopherson <seanjc@google.com>
Cc: Marc Zyngier <maz@kernel.org>, linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org,
	James Houghton <jthoughton@google.com>
Subject: Re: [RFC PATCH 00/16] KVM: arm64: Add "struct kvm_page_fault"
Message-ID: <aKegF0XyrDF1Z5w4@linux.dev>
References: <20250821210042.3451147-1-seanjc@google.com>
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On Thu, Aug 21, 2025 at 02:00:26PM -0700, Sean Christopherson wrote:
> Add an arm64 version of "struct kvm_page_fault" to (hopefully) tidy up
> the abort path, and to pave the way for things like KVM Userfault[*] that
> want to consume kvm_page_fault in arch-neutral code.
> 
> This is essentially one giant nop of code shuffling.
> 
> RFC as this is only compile-tested.  I didn't want to spend time testing
> until I got feedback on whether or not y'all are amenable to the general idea.

I appreciate the improved scoping around things like mmap lock, so this
seems like a net-win in terms of readability. Just want to clarify the
way this gets consumed from arch-neutral code and actually read in
detail.

Thanks,
Oliver