From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Matthew Garrett <mjg@redhat.com>, Yinghai Lu <yinghai@kernel.org>
Subject: Re: [PATCH] x86/PCI: never allocate PCI space from the last 1M below 4G
Date: Thu, 9 Dec 2010 09:54:24 -0700 [thread overview]
Message-ID: <201012090954.24538.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <201012030815.52203.bjorn.helgaas@hp.com>
On Friday, December 03, 2010 08:15:48 am Bjorn Helgaas wrote:
> On Thursday, December 02, 2010 06:19:20 pm Linus Torvalds wrote:
> > On Mon, Nov 29, 2010 at 2:04 PM, Bjorn Helgaas <bjorn.helgaas@hp.com> wrote:
> > >
> > > I think we're talking about whether to reserve the top 1MB or top 2MB.
> > > I freely admit I don't know the right answer. My point is merely that
> > > since we're using a heuristic anyway, copying Windows is a pretty good
> > > starting point. In my mind, doing something different requires a
> > > stronger argument than "it might fix some machines where Windows is
> > > broken."
> >
> > What's the status of this? The original patch is pretty nasty, and I
> > think that hack to put things in the bios_align_resource() function is
> > just disgusting.
OK, let's drop this approach. My next proposal is the
"PCI, PNP, resources: effectively reserve ACPI device resources"
thread I posted yesterday (with mangled cover letter) here:
https://lkml.org/lkml/2010/12/8/352
Bjorn
prev parent reply other threads:[~2010-12-09 16:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 18:30 Bjorn Helgaas
2010-11-29 18:36 ` Matthew Garrett
2010-11-29 20:34 ` Bjorn Helgaas
2010-11-29 18:51 ` H. Peter Anvin
2010-11-29 21:32 ` Bjorn Helgaas
2010-11-29 21:35 ` H. Peter Anvin
2010-11-29 22:04 ` Bjorn Helgaas
2010-11-29 22:10 ` H. Peter Anvin
2010-12-03 1:19 ` Linus Torvalds
2010-12-03 15:15 ` Bjorn Helgaas
2010-12-09 16:54 ` Bjorn Helgaas [this message]
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