From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ and SMI
Date: Thu, 2 Jun 2016 16:18:58 +0200 [thread overview]
Message-ID: <20160602141858.GB20275@potion> (raw)
In-Reply-To: <1464812761-28709-1-git-send-email-pbonzini@redhat.com>
2016-06-01 22:25+0200, Paolo Bonzini:
> This was reported as a vmentry failure while running Windows with SMM
> enabled. It's not that rare if your processor lacks APICv---it happens
> about 20-30% of the time while installing Windows 10.
>
> I now understand the interrupt injection code (especially
> complete_interrupts) better, and I also understand why the shortcut I took
> in SMI handling was a bad idea. In the end the code is somewhat simpler
> with the patch applied than before.
>
> The bug report is at https://github.com/tianocore/edk2/issues/91, but it
> also fixes other Windows failures that Laszlo had reported to me privately.
Applied, thanks.
prev parent reply other threads:[~2016-06-02 14:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 20:25 [PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ and SMI Paolo Bonzini
2016-06-01 20:26 ` [PATCH v2 1/2] " Paolo Bonzini
2016-06-01 20:26 ` [PATCH v2 2/2] KVM: x86: rename process_smi to enter_smm, process_smi_request to process_smi Paolo Bonzini
2016-06-02 14:18 ` Radim Krčmář [this message]
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