From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH, RFC] Driver for reading HP laptop LCD brightness
Date: Sun, 5 Feb 2006 14:45:27 +0000 [thread overview]
Message-ID: <20060205144527.GA22751@srcf.ucam.org> (raw)
In-Reply-To: <1139150502.3131.34.camel@laptopd505.fenrus.org>
On Sun, Feb 05, 2006 at 03:41:42PM +0100, Arjan van de Ven wrote:
> .. and just disabling interrupts isn't going to work? Ok sure there is
> an SMP issue, but a spinlock ought to be able to fix that properly,
> instead of something this evil....
How do we get the BIOS to respect kernel spinlocks? (On the other hand,
there ought to be a spinlock there to deal with concurrent access in any
case, I guess)
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2006-02-05 14:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-05 13:55 [PATCH, RFC] Driver for reading HP laptop LCD brightness Matthew Garrett
2006-02-05 14:27 ` Arjan van de Ven
2006-02-05 14:34 ` Matthew Garrett
2006-02-05 14:41 ` Arjan van de Ven
2006-02-05 14:45 ` Matthew Garrett [this message]
2006-02-05 21:49 ` Pavel Machek
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