linux-kernel - Re: [RFC PATCH] kvm: Make KVM DF intercept configurable

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Message-ID: <56D6AFC4.9060708@redhat.com>
Date:	Wed, 2 Mar 2016 10:17:56 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Borislav Petkov <bp@...en8.de>, Jan Kiszka <jan.kiszka@...mens.com>
Cc:	Jörg Rödel <joro@...tes.org>,
	Andy Lutomirski <luto@...capital.net>, x86-ml <x86@...nel.org>,
	kvm ML <kvm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] kvm: Make KVM DF intercept configurable



On 02/03/2016 10:07, Borislav Petkov wrote:
>> > To make this a serious debug feature, we should consider trapping all
>> > exceptions on request (and reinjecting the unhandled ones). Not sure
>> > right now, though, if that comes with more complications than the simple
>> > #DF case.
> I can certainly try... Something like "intercept=<vector>,<vector>,..."
> or so. Let me see how ugly it can get...

For kernel folks, a bit mask can do. :)

Paolo