From: Paolo Bonzini <pbonzini@redhat.com>
To: Chao Gao <chao.gao@intel.com>, kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
"Ingo Molnar" <mingo@redhat.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Liran Alon" <liran.alon@oracle.com>
Subject: Re: [PATCH v2] x86/kvm/vmx: Don't halt vcpu when L1 is injecting events to L2
Date: Fri, 9 Feb 2018 13:43:24 +0100 [thread overview]
Message-ID: <8654b592-c945-f66c-6c7c-f26cd3fa24f6@redhat.com> (raw)
In-Reply-To: <1518152952-12633-1-git-send-email-chao.gao@intel.com>
On 09/02/2018 06:09, Chao Gao wrote:
> Although L2 is in halt state, it will be in the active state after
> VM entry if the VM entry is vectoring according to SDM 26.6.2 Activity
> State. Halting the vcpu here means the event won't be injected to L2
> and this decision isn't reported to L1. Thus L0 drops an event that
> should be injected to L2.
Can you please write a testcase for kvm-unit-tests?
Thanks,
Paolo
next prev parent reply other threads:[~2018-02-09 12:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-09 5:09 [PATCH v2] x86/kvm/vmx: Don't halt vcpu when L1 is injecting events to L2 Chao Gao
2018-02-09 12:43 ` Paolo Bonzini [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-02-10 0:31 Liran Alon
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