[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] event_lock not initialized in the idle domain (permitted actions in a tasklet?)
On 27/04/2010 00:01, "Byrne, John (HP Labs)" <john.l.byrne@xxxxxx> wrote: >> I don't know what dom0 does while the page is paged in? Probably just >> throws an error code and carries on? In which case thinking about >> [prepare_]wait_on_xen_event_channel() further would not be necessary, >> as a dom0 code path can just notify on teh channel and carry on its >> way. >> > > That is the way it is supposed to work, but there seems to be a bit of a > disconnect between grant-table code and the driver mods to handle the errors. > The driver mods expect a new error code GNTST_eagain, but the grant_table code > returns ENOENT in a couple of places. There were also a couple of > "GNTxxx_can_fail" flags added to grant-table interface, but they are unused. > So things don't look quite finished. Yeah, I think that is pretty much the situation. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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