linux-kernel - Re: [RFC PATCH 00/18] KVM: Post-copy live migration for guest

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Message-ID: <ZqwIR8HW0d0cXAhq@x1n>
Date: Thu, 1 Aug 2024 18:12:23 -0400
From: Peter Xu <peterx@...hat.com>
To: James Houghton <jthoughton@...gle.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	James Morse <james.morse@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Sean Christopherson <seanjc@...gle.com>,
	Shuah Khan <shuah@...nel.org>,
	Axel Rasmussen <axelrasmussen@...gle.com>,
	David Matlack <dmatlack@...gle.com>, kvm@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev
Subject: Re: [RFC PATCH 00/18] KVM: Post-copy live migration for guest_memfd

On Wed, Jul 10, 2024 at 04:48:36PM -0700, James Houghton wrote:
> Ah, I put the wrong email for Peter! I'm so sorry!

So I have a pure (and even stupid) question to ask before the rest of
details.. it's pure question because I know little on guest_memfd,
especially on the future plans.

So.. Is there any chance guest_memfd can in the future provide 1G normal
(!CoCo) pages?  If yes, are these pages GUP-able, and mapp-able?

Thanks,

-- 
Peter Xu