linux-kernel - Re: [PATCH v2 08/10] PCI: Try best to allocate pref mmio 64bit above 4g

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Message-ID: <CAE9FiQX0-gmijLmNLf3RWKcwDA-6a6TpPQNwj7tkRnF=990F2Q@mail.gmail.com>
Date:	Tue, 26 Nov 2013 14:00:10 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Guo Chao <yan@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Gu Zheng <guz.fnst@...fujitsu.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 08/10] PCI: Try best to allocate pref mmio 64bit above 4g

On Tue, Nov 26, 2013 at 9:53 AM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> I don't know what "MEM_64 for bridge get reset" means -- there are a
> couple places that clear IORESOURCE_MEM_64, but they don't seem
> relevant.

during size bridge resource, we try to clear bridge mmio64 pref MEM_64
bit in bridge resource flags.
if one children pref mmio does not support 64bit pref mmio.

Yinghai
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