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From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Nathan Chancellor <nathan@kernel.org>,
	Emanuele Giuseppe Esposito <eesposit@redhat.com>,
	Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
	Jim Mattson <jmattson@google.com>
Subject: Re: [PATCH 0/6] KVM: x86: Unhost the *_CMD MSR mess
Date: Mon, 27 Mar 2023 17:19:55 +0200	[thread overview]
Message-ID: <151c3b04-31db-6a50-23af-c6886098c85c@redhat.com> (raw)
In-Reply-To: <20230322011440.2195485-1-seanjc@google.com>

On 3/22/23 02:14, Sean Christopherson wrote:
> Revert the FLUSH_L1D enabling, which has multiple fatal bugs, clean up
> the existing PRED_CMD handling, and reintroduce FLUSH_L1D virtualization
> without inheriting the mistakes made by PRED_CMD.
> 
> The last patch hardens SVM against one of the bugs introduced in the
> FLUSH_L1D enabling.
> 
> I'll post KUT patches tomorrow.  I have the tests written (and they found
> bugs in my code, :shocked-pikachu:), just need to write the changelogs.
> Wanted to get this out sooner than later as I'm guessing I'm not the only
> one whose VMs won't boot on Intel CPUs...

Hi Sean,

did you post them?

Paolo


  parent reply	other threads:[~2023-03-27 15:20 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-22  1:14 [PATCH 0/6] KVM: x86: Unhost the *_CMD MSR mess Sean Christopherson
2023-03-22  1:14 ` [PATCH 1/6] KVM: x86: Revert MSR_IA32_FLUSH_CMD.FLUSH_L1D enabling Sean Christopherson
2023-03-22  8:15   ` Mathias Krause
2023-03-22  1:14 ` [PATCH 2/6] KVM: VMX: Passthrough MSR_IA32_PRED_CMD based purely on host+guest CPUID Sean Christopherson
2023-03-27  3:46   ` Xiaoyao Li
2023-03-22  1:14 ` [PATCH 3/6] KVM: SVM: " Sean Christopherson
2023-03-22  1:14 ` [PATCH 4/6] KVM: x86: Move MSR_IA32_PRED_CMD WRMSR emulation to common code Sean Christopherson
2023-03-27  6:41   ` Xiaoyao Li
2023-03-22  1:14 ` [PATCH 5/6] KVM: x86: Virtualize FLUSH_L1D and passthrough MSR_IA32_FLUSH_CMD Sean Christopherson
2023-03-23  5:07   ` Pawan Gupta
2023-03-23 22:17     ` Sean Christopherson
2023-03-24  8:48       ` Zhi Wang
2023-03-27  3:33   ` Xiaoyao Li
2023-03-27 15:37     ` Jim Mattson
2023-03-27 16:00       ` Sean Christopherson
2023-03-22  1:14 ` [PATCH 6/6] KVM: SVM: Return the local "r" variable from svm_set_msr() Sean Christopherson
2023-03-23 22:46 ` [PATCH 0/6] KVM: x86: Unhost the *_CMD MSR mess Sean Christopherson
2023-03-27 15:19 ` Paolo Bonzini [this message]
2023-03-27 15:28   ` Sean Christopherson
2023-03-27 15:46     ` Paolo Bonzini
2023-04-12 19:49 ` Paolo Bonzini
2023-04-12 20:00   ` Sean Christopherson

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