From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: x86: Always set mp_state to RUNNABLE on wakeup from HLT
Date: Tue, 4 Mar 2025 17:05:14 -0800 [thread overview]
Message-ID: <174078620474.3857606.12481651463517277322.b4-ty@google.com> (raw)
In-Reply-To: <20250224174156.2362059-1-seanjc@google.com>
On Mon, 24 Feb 2025 09:41:56 -0800, Sean Christopherson wrote:
> When emulating HLT and a wake event is already pending, explicitly mark
> the vCPU RUNNABLE (via kvm_set_mp_state()) instead of assuming the vCPU is
> already in the appropriate state. Barring a KVM bug, it should be
> impossible for the vCPU to be in a non-RUNNABLE state, but there is no
> advantage to relying on that to hold true, and ensuring the vCPU is made
> RUNNABLE avoids non-deterministic behavior with respect to pv_unhalted.
>
> [...]
Applied to kvm-x86 misc, thanks!
[1/1] KVM: x86: Always set mp_state to RUNNABLE on wakeup from HLT
https://github.com/kvm-x86/linux/commit/2a289aed3fcd
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2025-03-05 1:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 17:41 Sean Christopherson
2025-03-05 1:05 ` Sean Christopherson [this message]
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