linux-kernel - Re: [PATCH gmem] KVM: Relax guest

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Message-ID: <169655697171.3533982.9527317906469089174.b4-ty@google.com>
Date:   Thu,  5 Oct 2023 19:20:08 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org,
        Michael Roth <michael.roth@....com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH gmem] KVM: Relax guest_memfd restrictions on hugepages

On Mon, 02 Oct 2023 08:33:42 -0500, Michael Roth wrote:
> Rather than requiring an entire memslot's gmem binding to be
> hugepage-aligned to make use of hugepages, relax the check to simply
> ensure that a large folio is completely contained by the range the
> memslot is bound to. Otherwise, userspace components like QEMU may
> inadvertantly disable the use of hugepages depending on how they handle
> splitting up regions of guest memory for legacy regions, ROMs, etc.
> 
> [...]

Applied to kvm-x86 guest_memfd, thanks!

[1/1] KVM: Relax guest_memfd restrictions on hugepages
      https://github.com/kvm-x86/linux/commit/e7af8d17224a

--
https://github.com/kvm-x86/linux/tree/next