From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.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 08:28:15 -0700 [thread overview]
Message-ID: <ZCG2D1PyWobdb8jk@google.com> (raw)
In-Reply-To: <151c3b04-31db-6a50-23af-c6886098c85c@redhat.com>
On Mon, Mar 27, 2023, Paolo Bonzini wrote:
> 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?
No, I'll get that done today (I pinky swear this time).
next prev parent reply other threads:[~2023-03-27 15:28 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
2023-03-27 15:28 ` Sean Christopherson [this message]
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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