Re: [Xen-devel] serial8250: too much work for irq4

[Markus Armbruster <armbru@xxxxxxxxxx>]

Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> writes:

> Markus Armbruster writes ("Re: [Xen-devel] serial8250: too much work for 
> irq4"):
>> I see funny effects where serial output stalls until some input happens,
>> but I don't know whether that's related, or whether xen-unstable has the
>> same problem.
>
> This is probably the bug that Anders Kaseorg reported on the 5th of
> February which I tracked down to a pair of bugs in the Linux kernel's
> serial driver, and therefore unrelated.  See
>  http://lists.xensource.com/archives/html/xen-devel/2009-02/msg00372.html
> and the surrounding thread.

Yes, the patch there fixes the annoying stall.

How did upstream like it?  I can't see anything on LKML, maybe I missed
it.

Thanks!

[...]

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