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From: Paolo Bonzini <pbonzini@redhat.com>
To: Jim Mattson <jmattson@google.com>, Maxim Levitsky <mlevitsk@redhat.com>
Cc: kvm@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Sean Christopherson <seanjc@google.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, Vitaly Kuznetsov <vkuznets@redhat.com>,
	Joerg Roedel <joro@8bytes.org>,
	linux-kernel@vger.kernel.org, Wanpeng Li <wanpengli@tencent.com>
Subject: Re: [PATCH v3 4/7] KVM: x86: nSVM: support PAUSE filter threshold and count when cpu_pm=on
Date: Tue, 22 Mar 2022 11:12:51 +0100	[thread overview]
Message-ID: <b81c095a-30b2-95c6-1b5f-dfa102f5790a@redhat.com> (raw)
In-Reply-To: <CALMp9eQgDpL0eD_GZde-s+THPWvQ0v6kmj3z_023f_KPERAyyA@mail.gmail.com>

On 3/21/22 23:41, Jim Mattson wrote:
>> 100%. Do you have a pointer where to document it?
> I think this will be the first KVM virtual CPU erratum documented,
> though there are plenty of others that I'd like to see documented
> (e.g. nVMX processes posted interrupts on emulated VM-entry, AMD's
> merged PMU counters are only 48 bits wide, etc.).
> 
> Maybe Paolo has some ideas?

So let's document them, that's a great idea.  I can help writing them 
down if you have a pointer to prior email discussions.  I'll send a 
skeleton.

Paolo


  reply	other threads:[~2022-03-22 10:13 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-01 14:36 [PATCH v3 0/7] nSVM/SVM features Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 1/7] KVM: x86: nSVM: correctly virtualize LBR msrs when L2 is running Maxim Levitsky
2022-03-09 13:00   ` Paolo Bonzini
2022-03-14 11:25     ` Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 2/7] KVM: x86: nSVM: implement nested LBR virtualization Maxim Levitsky
2022-03-09 13:00   ` Paolo Bonzini
2022-03-22 16:53     ` Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 3/7] KVM: x86: nSVM: implement nested VMLOAD/VMSAVE Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 4/7] KVM: x86: nSVM: support PAUSE filter threshold and count when cpu_pm=on Maxim Levitsky
2022-03-09 13:12   ` Paolo Bonzini
2022-03-22 16:52     ` Maxim Levitsky
2022-03-09 18:35   ` Jim Mattson
2022-03-09 18:47     ` Paolo Bonzini
2022-03-09 19:07       ` Jim Mattson
2022-03-21 21:36         ` Maxim Levitsky
2022-03-21 21:59           ` Jim Mattson
2022-03-21 22:11             ` Maxim Levitsky
2022-03-21 22:41               ` Jim Mattson
2022-03-22 10:12                 ` Paolo Bonzini [this message]
2022-03-22 11:17                   ` Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 5/7] KVM: x86: nSVM: implement nested vGIF Maxim Levitsky
2022-03-09 13:40   ` Paolo Bonzini
2022-03-14 15:21     ` Maxim Levitsky
2022-03-01 14:36 ` [PATCH v3 6/7] KVM: x86: SVM: allow to force AVIC to be enabled Maxim Levitsky
2022-03-09 13:41   ` Paolo Bonzini
2022-03-01 14:36 ` [PATCH v3 7/7] KVM: x86: SVM: allow AVIC to co-exist with a nested guest running Maxim Levitsky
2022-03-09 13:50   ` Paolo Bonzini
2022-03-09 18:14     ` Maxim Levitsky

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