linux-kernel - Re: 2.6.24-rc4-mm1 kobject changes broken with hvcs driver on powerpc

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Message-ID: <4759C2B2.9020906@linux.vnet.ibm.com>
Date:	Sat, 08 Dec 2007 03:31:22 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Greg KH <greg@...ah.com>
CC:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Badari Pulavarty <pbadari@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>, rsa@...ibm.com,
	apw@...dowen.org, balbir@...ibm.com
Subject: Re: 2.6.24-rc4-mm1 kobject changes broken with hvcs driver on powerpc


> How about running 2.6.24-rc4 with _only_ the patch to this driver to
> convert it to krefs?  Does that combination cause problems?
> 
> The patch is at:
> 	http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/gregkh-01-driver/kobject-convert-hvcs-to-use-kref-not-kobject.patch

This patch works fine with _changes_ on 2.6.24-rc4. I can confirm that
it's not a kref problem in that case. This patch still assumes that
kref_get() returns a value. This is no longer true. The kref_get() call
site needs to be changed.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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