From: Chris Rankin <rankinc@zip.com.au>
To: andrewm@uow.edu.au (Andrew Morton)
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH](s): Use spinlocks instead of STI/CLI in SoundBlaster
Date: Fri, 26 Jan 2001 21:25:58 +1100 (EST) [thread overview]
Message-ID: <200101261025.f0QAPxo00754@wellhouse.underworld> (raw)
In-Reply-To: <3A712AA4.13B912AD@uow.edu.au> from "Andrew Morton" at Jan 26, 2001 06:43:32 PM
> spin_lock_irqsave() and save_flags()+cli() are identical on
> uniprocessor builds.
OK, so a UP-build proves nothing ...
> cli() is quite putrid on SMP and should be shot.
This much I understand ...
> You can test your patch on uniprocessor hardware - just build
> an SMP kernel and run it. If it doesn't deadlock, things
> are looking positive.
OK, I'll do that.
> I dunno if you'll have much luck getting this into 2.4.1 though.
> I suggest you send it to Alan.
I have no illusions whatsoever about Linus picking this up. However,
Alan has been picking patches up I've posted before. I can't send this
to Alan directly though, because his mailserver keeps on asking for
the average airspeed of an unladen swallow ... (I don't know that!)
Cheers,
Chris
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next parent reply other threads:[~2001-01-26 10:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3A712AA4.13B912AD@uow.edu.au>
2001-01-26 10:25 ` Chris Rankin [this message]
2001-01-26 6:42 Chris Rankin
2001-01-27 10:26 ` Pavel Machek
2001-01-27 11:02 ` Chris Rankin
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