Re: [Xen-devel] xenbus_dev_write and failed writes

[John Levon <levon@xxxxxxxxxxxxxxxxx>]

On Fri, Mar 02, 2007 at 04:46:50PM +0000, Keir Fraser wrote:

> > Also, the BUG_ON in xenbusdrv_queue_reply() looks odd to me (in fact the
> > whole function does). Are we really guaranteed that a reply message will
> > be less than a page size? And it doesn't seem right to just stomp on the
> > buffer contents if we wrap right past the consumer value.
> 
> Yes, it at least makes sense to discard the data rather than BUG. Actually
> we should dynamically allocate up to some rather larger threshold than 4kB.
> Will you fix this?

I doubt I'll have time to fix /both/ kernels, sorry...

regards
john

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