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Message-ID: <535B7E58.4070304@redhat.com>
Date:   Sat, 26 Apr 2014 11:37:28 +0200
From:   Paolo Bonzini <pbonzini@redhat.com>
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To:     James Hogan <james.hogan@imgtec.com>,
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        David Daney <david.daney@cavium.com>
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        kvm@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
        Sanjay Lal <sanjayl@kymasys.com>
Subject: Re: [PATCH 14/21] MIPS: KVM: Add nanosecond count bias KVM register
References: <1398439204-26171-1-git-send-email-james.hogan@imgtec.com> <1398439204-26171-15-git-send-email-james.hogan@imgtec.com> <535A9AF5.30105@gmail.com> <2197488.6tnytXFBJm@radagast>
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Il 26/04/2014 00:34, James Hogan ha scritto:
> So yes, you could technically manage without (4) by using (2) ((4) was
> implemented first), but I think it probably still has some value since you can
> do it with a single ioctl rather than 4 ioctls (freeze timer, read
> resume_time, read or write count, unfreeze timer).
>
> Enough value to be worthwhile? I haven't really made up my mind yet but I'm
> leaning towards yes.

It would be interesting to see how the userspace patches use this 
independent of COUNT_RESUME.

Paolo