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From: Sean Christopherson <seanjc@google.com>
To: Zeng Guang <guang.zeng@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Maxim Levitsky <mlevitsk@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H . Peter Anvin" <hpa@zytor.com>,
	kvm@vger.kernel.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, Gao Chao <chao.gao@intel.com>
Subject: Re: [PATCH] KVM: x86: Inhibit APICv/AVIC when changing apic id/base from the defaults
Date: Fri, 20 May 2022 15:26:20 +0000	[thread overview]
Message-ID: <YoezHLoQ3J2mjv1n@google.com> (raw)
In-Reply-To: <20220520144656.25579-1-guang.zeng@intel.com>

On Fri, May 20, 2022, Zeng Guang wrote:
> From: Maxim Levitsky <mlevitsk@redhat.com>
> 
> Neither of these settings should be changed by the guest and it is a burden
> to support it in the acceleration code, so just inhibit APICv/AVIC in case
> such rare cases happen.
> 
> Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
> Signed-off-by: Zeng Guang <guang.zeng@intel.com>
> ---

All of my comments on Maxim's posting still apply[*].  At this point, unless Paolo
wants wield his hammer of authority and do a bunch of fixup, the fastest way forward
will be to wait for Maxim to respond and post patches 1-3 of that series separately.

[*] https://lore.kernel.org/all/YoZrG3n5fgMp4LQl@google.com

      reply	other threads:[~2022-05-20 15:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20 14:46 [PATCH] KVM: x86: Inhibit APICv/AVIC when changing apic id/base from the defaults Zeng Guang
2022-05-20 15:26 ` Sean Christopherson [this message]

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