>>> On 10.07.15 at 15:45, <paul.durr...@citrix.com> wrote:
> --- a/xen/arch/x86/hvm/io.c
> +++ b/xen/arch/x86/hvm/io.c
> @@ -60,8 +60,7 @@ void send_timeoffset_req(unsigned long timeoff)
> if ( timeoff == 0 )
> return;
>
> - if ( !hvm_buffered_io_send(&p) )
> - printk("Unsuccessful timeoffset update\n");
> + hvm_broadcast_ioreq(&p, 1);
> }
The rest of the patch looks okay, but I'm not happy with the deletion
of this message, as it served a purpose (ignoring the fact that one
didn't know the affected domain etc). I would think
hvm_broadcast_ioreq() should have a return value, indicating all
succeeded, some succeeded, or all failed. And perhaps servers
without bufioreq page should then rather count as "succeeded".
Otoh I can see that "some succeeded" may not be really useful
here, as the caller won't know whether the one(s) that failed are
important, or whether they would have dropped the notification
on the floor only anyway (like qemuu appears to do right now).
Jan
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