linux-kernel - Re: [PATCH v7 13/60] PCI: Add has_mem64 for struct host

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Message-ID: <1444407689.17726.12.camel@oracle.com>
Date:	Fri, 09 Oct 2015 10:21:29 -0600
From:	Khalid Aziz <khalid.aziz@...cle.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Wei Yang <weiyang@...ux.vnet.ibm.com>, TJ <linux@....tj>,
	Yijing Wang <wangyijing@...wei.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 13/60] PCI: Add has_mem64 for struct host_bridge

On Thu, 2015-10-08 at 14:38 -0700, Yinghai Lu wrote:
> Add has_mem64 for struct host_bridge, on root bus that does not support
> mmio64 above 4g, will not set that.
> 
> We will use that info next two following patches:
> 1. Don't treat non-pref mmio64 as pref mmio, so will not put
>    it under bridge's pref range when rescan the devices
> 2. will keep pref mmio64 and pref mmio32 under bridge pref bar.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>


Tested on sparc platforms

Tested-by: Khalid Aziz <khalid.aziz@...cle.com> 


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