linux-kernel - Re: [linux-pm] Bug in PCI core

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Message-ID: <20061013191854.GF11633@parisc-linux.org>
Date:	Fri, 13 Oct 2006 13:18:54 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Adam Belay <abelay@....EDU>,
	Arjan van de Ven <arjan@...radead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Greg KH <greg@...ah.com>, linux-pci@...ey.karlin.mff.cuni.cz,
	Linux-pm mailing list <linux-pm@...ts.osdl.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [linux-pm] Bug in PCI core

On Fri, Oct 13, 2006 at 01:57:48PM -0400, Alan Stern wrote:
> Would it be okay for pci_block_user_cfg_access() to use its own cache, so 
> it doesn't interfere with data previously cached by pci_save_state()?

My suggestion is just to require that the callers have previously called
pci_save_state().  The PCI PM stack already has, and it's a one-line
change to the IPR driver.
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