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Subject: Re: [PATCH 0/3] x86/paravirt: Fix baremetal paravirt MSR ops
To: Arjan van de Ven <arjan@linux.intel.com>,
        Andy Lutomirski <luto@amacapital.net>, Ingo Molnar <mingo@kernel.org>
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Cc: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>, KVM list <kvm@vger.kernel.org>,
        xen-devel <Xen-devel@lists.xen.org>,
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 17 Sep 2015 17:33:31 +0200
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On 17/09/2015 17:31, Arjan van de Ven wrote:
>>
>> What about 0 + WARN?
> 
> why 0?
> 
> 0xdeadbeef or any other pattern (even 0x3636363636) makes more sense (of
> course also WARN... but most folks don't read dmesg for WARNs)
> 
> (it's the same thing we do for list or slab poison stuff)

Sorry, brain fart.  That makes sense for the safe variants.  It would
require some auditing though.

Paolo