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Subject: Re: [RFC PATCH] kvm: Make KVM DF intercept configurable
To: Borislav Petkov <bp@alien8.de>, Jan Kiszka <jan.kiszka@siemens.com>
References: <20160301192822.GD22677@pd.tnic> <56D6059D.5050606@redhat.com>
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Cc: =?UTF-8?B?SsO2cmcgUsO2ZGVs?= <joro@8bytes.org>,
        Andy Lutomirski <luto@amacapital.net>, x86-ml <x86@kernel.org>,
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From: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <56D6AFC4.9060708@redhat.com>
Date: Wed, 2 Mar 2016 10:17:56 +0100
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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