linux-kernel - Re: [PATCH] x86/PCI: setup data may be in highmem

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Message-ID: <20130528113617.GR14575@console-pimps.org>
Date:	Tue, 28 May 2013 12:36:17 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Seth Forshee <seth.forshee@...onical.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>, stable@...r.kernel.org
Subject: Re: [PATCH] x86/PCI: setup data may be in highmem

On Fri, 24 May, at 08:38:10AM, Bjorn Helgaas wrote:
> pcibios_add_device() is mostly called at boot-time, when
> early_ioremap() probably works well.  But it's also called when we
> hot-add devices later, and it looks like early_ioremap() will then
> generate warnings because "system_state != SYSTEM_BOOTING".

Oops. Good point. Is there any reason we can't use ioremap()?

-- 
Matt Fleming, Intel Open Source Technology Center
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