From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Wanpeng Li <kernellwp@gmail.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH 2/2] KVM: X86: Add per-VM no-HLT-exiting capability
Date: Fri, 2 Feb 2018 20:02:43 +0100 [thread overview]
Message-ID: <20180202190242.GE26932@flask> (raw)
In-Reply-To: <1517555473-8313-3-git-send-email-wanpengli@tencent.com>
2018-02-01 23:11-0800, Wanpeng Li:
> From: Wanpeng Li <wanpengli@tencent.com>
>
> If host CPUs are dedicated to a VM, we can avoid VM exits on HLT.
> This patch adds the per-VM non-HLT-exiting capability.
>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Radim Krčmář <rkrcmar@redhat.com>
> Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
> ---
SMM handling needs more work: I think we should vmx_clear_hlt() upon SMI
and RSM needs to implement auto halt restart (AMD might differ).
And also look if we don't need vmx_clear_hlt() around INIT handling,
thanks.
next prev parent reply other threads:[~2018-02-02 19:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-02 7:11 [PATCH 0/2] KVM: X86: Add dedicated pCPU hint and per-VM non-HLT-exiting capability Wanpeng Li
2018-02-02 7:11 ` [PATCH 1/2] KVM: X86: Add dedicated pCPU hint PV_DEDICATED Wanpeng Li
2018-02-02 7:11 ` [PATCH 2/2] KVM: X86: Add per-VM no-HLT-exiting capability Wanpeng Li
2018-02-02 19:02 ` Radim Krčmář [this message]
2018-02-05 7:22 ` Wanpeng Li
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