linux-kernel - Re: [PATCH v5 00/53] PCI: Resource allocation cleanup for v4.4

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Message-ID: <CAErSpo5THoC1mC7OnKOvX04Bq27xvZmKmoY7v_QczCQTEG91gg@mail.gmail.com>
Date:	Thu, 17 Sep 2015 09:55:30 -0500
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	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-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 00/53] PCI: Resource allocation cleanup for v4.4

On Wed, Sep 16, 2015 at 4:56 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> Hi,
>
> After 5b28541552ef (PCI: Restrict 64-bit prefetchable bridge windows
> to 64-bit resources), we have several reports on resource allocation
> failure, and we try to fix the problem with resource clip, and get
> more problems.
>
> One is realloc fail with two graphics cards above 4G.
> One is from sparc that have problem with clip as we don't parse
> mem64 for it.

I assume the following patches are related to the sparc64/mem64 thing.
Could they be split out and posted separately?  We should be able to
fix that issue even without all the other patches.

>   sparc/PCI: Add mem64 resource parsing for root bus
>   sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing
>   powerpc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing
>   OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource
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