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Message-Id: <20151021.182714.551622926534141857.davem@davemloft.net>
Date:	Wed, 21 Oct 2015 18:27:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	yinghai@...nel.org
Cc:	helgaas@...nel.org, bhelgaas@...gle.com, benh@...nel.crashing.org,
	weiyang@...ux.vnet.ibm.com, linux@....tj, wangyijing@...wei.com,
	khalid.aziz@...cle.com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 03/60] sparc/PCI: Unify pci_register_region()

From: Yinghai Lu <yinghai@...nel.org>
Date: Wed, 21 Oct 2015 11:16:53 -0700

> otherwise we need to compare res with pbm->mem_space or pbm->mem64_space
> to get direct parent for request_resource_conflict() calling in
> pci_register_legacy_regions().

Right, this is the issue.

On sparc64, the cpu physical base address used for accessing 64-bit
and non-64-bit memory spaces is different.

And that's why the resource values will be different.

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