From: Avi Kivity <avi@qumranet.com>
To: Sukanto Ghosh <sukanto.cse.iitb@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: kvm_pio_request
Date: Sat, 05 Jul 2008 12:05:21 +0300 [thread overview]
Message-ID: <486F3951.1040404@qumranet.com> (raw)
In-Reply-To: <a85e78f50807040311le0bff36vd33118dde470ce19@mail.gmail.com>
Sukanto Ghosh wrote:
> What do the following fields of struct kvm_pio_request mean ?
>
> i) cur_count
> ii) string
> iii) down
> iv) rep
>
See the documentation for the 'rep ins' and 'rep outs' instruction in
the processor manuals.
> v) why does guest_pages field point to an array of two pages ?
>
In case an ins instruction points at an unaligned page-crossing address.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
prev parent reply other threads:[~2008-07-05 9:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-04 10:11 kvm_pio_request Sukanto Ghosh
2008-07-05 9:05 ` Avi Kivity [this message]
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