linux-kernel - Re: [PATCH 0/2] KVM: x86: fix deliver of SMIs to halted VCPUs

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Message-ID: <561D0047.7020608@redhat.com>
Date:	Tue, 13 Oct 2015 14:59:51 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:	rkrcmar@...hat.com, lersek@...hat.com
Subject: Re: [PATCH 0/2] KVM: x86: fix deliver of SMIs to halted VCPUs



On 13/10/2015 12:34, Paolo Bonzini wrote:
> While SeaBIOS only uses synchronous SMI delivery through port 0xb2,
> OVMF also uses APIC delivery, and it is buggy.
> 
> This is enough to run OVMF with SMM enabled and multiple processors,
> up to a UEFI shell, but it literally takes minutes to get there.
> However, the same behavior is visible with KVM disabled, so it may
> be a firmware bug instead.

Which it was. :)  http://permalink.gmane.org/gmane.comp.bios.edk2.devel/2899

Paolo
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