linux-kernel - Re: Please revert 5adc55da4a7758021bcc374904b0f8b076508a11 (PCI_MULTITHREAD

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Message-Id: <20070508.135810.48808124.davem@davemloft.net>
Date:	Tue, 08 May 2007 13:58:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	greg@...ah.com
Cc:	cornelia.huck@...ibm.com, torvalds@...ux-foundation.org,
	bunk@...sta.de, linux-kernel@...r.kernel.org
Subject: Re: Please revert 5adc55da4a7758021bcc374904b0f8b076508a11
 (PCI_MULTITHREAD_PROBE)

From: Greg KH <greg@...ah.com>
Date: Tue, 8 May 2007 07:07:53 -0700

> Only if it ends up working properly.  The commit you reference above
> (which removed the PCI_MULTITHREAD_PROBE option), is fine, pci
> multi-threaded probing is still broken as it is a model that PCI drivers
> are not yet ready to handle properly yet.

FWIW I would like to see this working properly at some point.

It seems to me that the issues are two-fold:

1) A proper dependency system is necessary

2) Proper mutual exclusion for shared system resources/registers/etc.
   that are poked at in an ad-hoc unlocked manner currently

Is that basically what it boils down to?
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