linux-kernel - Re: [PATCH v2] KVM: arm64: Failback on unsupported huge page sizes

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Message-Id: <160400571841.9348.15515000266981677007.b4-ty@kernel.org>
Date:   Thu, 29 Oct 2020 21:09:15 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     kvmarm@...ts.cs.columbia.edu, Gavin Shan <gshan@...hat.com>
Cc:     shan.gavin@...il.com, will@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] KVM: arm64: Failback on unsupported huge page sizes

On Mon, 26 Oct 2020 10:06:26 +1100, Gavin Shan wrote:
> The huge page could be mapped through multiple contiguous PMDs or PTEs.
> The corresponding huge page sizes aren't supported by the page table
> walker currently.
> 
> This fails the unsupported huge page sizes to the near one. Otherwise,
> the guest can't boot successfully: CONT_PMD_SHIFT and CONT_PTE_SHIFT
> fail back to PMD_SHIFT and PAGE_SHIFT separately.

Applied to next, thanks!

[1/1] KVM: arm64: Use fallback mapping sizes for contiguous huge page sizes
      commit: 2f40c46021bbb3ecd5c5f05764ecccbc276bc690

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.