Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change
From: Lee Revell <rlrevell@joe-job.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Greg KH <greg@kroah.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Daniel Drake <dsd@gentoo.org>, akpm@osdl.org, torvalds@osdl.org,
       sergio@sergiomb.no-ip.org, jeff@garzik.org, cw@f00f.org,
       bjorn.helgaas@hp.com, linux-kernel@vger.kernel.org, harmon@ksu.edu,
       len.brown@intel.com, vsu@altlinux.ru, liste@jordet.net
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Date: Tue, 19 Sep 2006 16:28:36 -0400
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On Tue, 2006-09-19 at 21:12 +0100, Matthew Garrett wrote:
> On Tue, Sep 19, 2006 at 04:04:27PM -0400, Lee Revell wrote:
> > On Sun, 2006-09-10 at 21:45 +0100, Matthew Garrett wrote:
> > > On Sun, Sep 10, 2006 at 02:40:46PM -0400, Lee Revell wrote:
> > > 
> > > > Some applications such as realtime audio and probably gaming require
> > > > ACPI to be disabled, as it causes horrible latency problems.  This
> > > > applies equally to Linux and Windows.
> > > 
> > > How, and on what hardware?
> > 
> > Here's a case where the kernel does not see a user's sound card at all
> > unless ACPI is disabled (second to last comment):
> 
> That's more likely to be an interrupt routing issue than anything 
> intrinsically awkward with ACPI.
> 

True, but I was responding to an earlier statement along the lines of
"disabling ACPI is silly, who would do that?", and from these (and many
other) users' POV, they need to disable ACPI to have a working machine.

Lee

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