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Date:      Wed, 22 Aug 2001 12:41:31 +0300
From:      Peter Pentchev <roam@ringlet.net>
To:        =?windows-1251?Q?S=F8ren_Schmidt?= <sos@freebsd.dk>
Cc:        Brooks Davis <brooks@one-eyed-alien.net>, sos@freebsd.org, hackers@freebsd.org
Subject:   Re: tunable support for ata interrupt sharing
Message-ID:  <20010822124131.A12936@ringworld.oblivion.bg>
In-Reply-To: <200108211941.f7LJfoP18640@freebsd.dk>; from sos@freebsd.dk on Tue, Aug 21, 2001 at 09:41:50PM %2B0200
References:  <20010821123726.A15204@Odin.AC.HMC.Edu> <200108211941.f7LJfoP18640@freebsd.dk>

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On Tue, Aug 21, 2001 at 09:41:50PM +0200, Søren Schmidt wrote:
> It seems Brooks Davis wrote:
> > Attached it a patch to make sharing of the main ata control interrupts
> > dependent on a tunable, hw.ata.shared_irqs.  This is required for my new
> > HP Omnibook 500 to use the CMD 648 in the expansion base to work as it
> > appears hardwired to interrupt 15 (which is fairly logical given that
> > there is no where to attach devices to the secondary channel.)  If this
> > looks ok and you don't have time to deal with it, I'd be happy to commit
> > it myself.
> 
> I have just today committed always sharing all irq's to -current,
> the consensus is that if the BIOS allows sharing it should work.
> This makes sense, the MB maker is the only one that knows if 
> this is working, if they blow it in thier BIOS, well....

Would this be good to have in 4.4?  If Brooks's laptop needs it,
it would be nice to have 4.4 run on that, too..

G'luck,
Peter

-- 
If you think this sentence is confusing, then change one pig.

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