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Date: Mon, 25 Mar 2024 20:15:06 -0700
From: Jim Mattson <jmattson@...gle.com>
To: Maxim Levitsky <mlevitsk@...hat.com>
Cc: kvm@...r.kernel.org, Will Deacon <will@...nel.org>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, 
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>, Thomas Gleixner <tglx@...utronix.de>, 
	Paolo Bonzini <pbonzini@...hat.com>, x86@...nel.org, Robin Murphy <robin.murphy@....com>, 
	iommu@...ts.linux.dev, Ingo Molnar <mingo@...hat.com>, Joerg Roedel <joro@...tes.org>, 
	Sean Christopherson <seanjc@...gle.com>, "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org, 
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH 0/5] AVIC bugfixes and workarounds

On Thu, Sep 28, 2023 at 8:05 AM Maxim Levitsky <mlevitsk@...hat.com> wrote:
>
> Hi!
>
> This patch series includes several fixes to AVIC I found while working
> on a new version of nested AVIC code.
>
> Also while developing it I realized that a very simple workaround for
> AVIC's errata #1235 exists and included it in this patch series as well.
>
> Best regards,
>         Maxim Levitsky

Can someone explain why we're still unwilling to enable AVIC by
default? Have the performance issues that plagued the Rome
implementation been fixed? What is AMD's guidance?

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