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Date: Sun, 31 Jan 2010 02:45:08 +0000
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Jesse Barnes <jbarnes@virtuousgeek.org>,
       Jeff Garrett <jeff@jgarrett.org>, "Rafael J. Wysocki" <rjw@sisk.pl>,
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       Linux PCI <linux-pci@vger.kernel.org>, Myron Stowe <myron.stowe@hp.com>,
       Ingo Molnar <mingo@elte.hu>
Subject: Re: [Bug #15124] PCI host bridge windows ignored (works with
	pci=use_crs)
Message-ID: <20100131024508.GA9334@srcf.ucam.org>
References: <md-TZL3UUvL.A.FiE.xJMXLB@chimera> <201001271345.54454.bjorn.helgaas@hp.com> <alpine.LFD.2.00.1001271247450.3570@localhost.localdomain> <201001271403.41955.bjorn.helgaas@hp.com> <4B60CD99.7020305@kernel.org> <1264652762.24020.5.camel@dc7800.home>
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On Wed, Jan 27, 2010 at 09:26:02PM -0700, Bjorn Helgaas wrote:

> When ACPI is disabled, I think we just have to accept that we lose some
> functionality.  I don't see the need for alternate ways to accomplish
> everything that ACPI does.  It's becoming less and less useful to
> disable ACPI; I think it's only interesting as a debugging tool, and
> even then it's a sledgehammer.

I'd agree with this. The days where it was plausibly practical to boot 
non-ACPI operating systems on hardware are clearly gone, and people who 
are actually disabling ACPI in the field seem to be doing so in order to 
avoid other bugs - and we're failing to fix those bugs as a result.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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