From: "H. Peter Anvin" <hpa@zytor.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Venkatesh Pallipadi <venki@google.com>,
Prarit Bhargava <prarit@redhat.com>,
Simon Arlott <simon@fire.lp0.eu>,
x86@kernel.org, Clemens Ladisch <clemens@ladisch.de>,
linux-kernel@vger.kernel.org, Marc Jones <marcj303@gmail.com>,
Jordan Crouse <jcrouse@codeaurora.org>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86, HPET: ignore any PCI BARs that match an HPET we already know about
Date: Wed, 22 Sep 2010 15:02:12 -0700 [thread overview]
Message-ID: <4C9A7CE4.2070406@zytor.com> (raw)
In-Reply-To: <201009221552.21896.bjorn.helgaas@hp.com>
On 09/22/2010 02:52 PM, Bjorn Helgaas wrote:
>
> It really doesn't look like Windows, and therefore BIOS writers,
> share your expectations about PCI BARs in E820 reserved areas.
> It's likely still *safe* to make them fixed resources, but we might
> be able to fix more issues if we knew how Windows avoids the problem.
>
*Which Windows*!? Each version of Windows works differently, with
different quirks and bugs, and the BIOS vendors only ever test the
currently shipping version (except sometimes on server boards.)
-hpa
next prev parent reply other threads:[~2010-09-22 22:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-22 20:15 [PATCH] x86, HPET: ignore any PCI BARs that match an HPET we already know about Bjorn Helgaas
2010-09-22 20:19 ` Bjorn Helgaas
2010-09-22 20:21 ` H. Peter Anvin
2010-09-22 20:56 ` H. Peter Anvin
2010-09-22 21:52 ` Bjorn Helgaas
2010-09-22 22:02 ` H. Peter Anvin [this message]
2010-09-22 22:10 ` H. Peter Anvin
2010-09-22 22:37 ` Bjorn Helgaas
2010-09-22 22:39 ` H. Peter Anvin
2010-09-22 21:22 ` [tip:x86/pci] x86, pci: Ignore " tip-bot for Bjorn Helgaas
2010-09-22 21:48 ` Yinghai Lu
2010-09-22 22:41 ` Bjorn Helgaas
2010-09-22 22:53 ` H. Peter Anvin
2010-09-23 22:51 ` Bjorn Helgaas
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