* kvm_pio_request
@ 2008-07-04 10:11 Sukanto Ghosh
2008-07-05 9:05 ` kvm_pio_request Avi Kivity
0 siblings, 1 reply; 2+ messages in thread
From: Sukanto Ghosh @ 2008-07-04 10:11 UTC (permalink / raw)
To: kvm
What do the following fields of struct kvm_pio_request mean ?
i) cur_count
ii) string
iii) down
iv) rep
v) why does guest_pages field point to an array of two pages ?
--
Regards,
Sukanto Ghosh
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: kvm_pio_request
2008-07-04 10:11 kvm_pio_request Sukanto Ghosh
@ 2008-07-05 9:05 ` Avi Kivity
0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2008-07-05 9:05 UTC (permalink / raw)
To: Sukanto Ghosh; +Cc: kvm
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.
^ permalink raw reply [flat|nested] 2+ messages in thread
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