[PATCH] MFC of the intr_event stuff
John Baldwin
jhb at freebsd.org
Wed Mar 8 17:11:31 UTC 2006
On Wednesday 08 March 2006 11:51, Mike Tancsa wrote:
> At 11:03 AM 08/03/2006, John Baldwin wrote:
> >On Tuesday 07 March 2006 19:45, Mike Tancsa wrote:
> > > At 07:29 PM 07/03/2006, Mike Tancsa wrote:
> > > >At 03:02 PM 07/03/2006, John Baldwin wrote:
> > > >>I have a somewhat large patch that MFC's some of the cleanups to the
> > > >>interrupt code that needs some testing before it is MFC'd.
> > > >
> > > >
> > > >It seems to help my sio overflows that are described in
> > > >
> > > >
> > > >http://www.freebsd.org/cgi/query-pr.cgi?pr=51982
> > >
> > > Actually, it only helps on the ICH box. On the VIA, I still need to
> > > make the change that Bruce Evans suggests
> >
> >The reason it might help is that if your sio(4) device shares its IRQ
> >with another driver, it would previously have been forced to use a
> >non-FAST handler, but now sio(4) can always use a FAST handler.
>
>
> Hi,
> Thanks for the info. Apart from manually patching, is there
> a better way to control for this ?
Not currently. It could always be patched to make that '4' number
a loader tunable, then you could keep the change via an entry in
/boot/loader.conf w/o having to maintain a local patch.
--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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