linux-kernel - Re: RFC: Boiler plate functions for ida / idr allocation?

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Date:	Wed, 13 Jul 2011 14:41:19 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Boaz Harrosh <bharrosh@...asas.com>,
	Benny Halevy <bhalevy@...asas.com>, osd-dev@...n-osd.org
Cc:	Jonathan Cameron <jic23@....ac.uk>,
	LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: RFC: Boiler plate functions for ida / idr allocation?

On Jul 13 Jonathan Cameron wrote at LKML:
[...]
> Taking ida's first, how about the following patch?  I'm not at
> all attached to the form it takes, merely to cutting out on the
> cut and paste.
> 
> Note I've done only a few random places.  There aren't that many ida
> users and I've only played with that for now.
> 
> Remaining ida cases:
> 
> drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c:  (cleans up in case of out of range)
> drivers/scsi/osd/osd_uld.c: (locks not taken)
[...]

Boaz, Benny,

osd_uld.c::osd_minor_ida is accessed unsafely.
Device probe() and remove() methods are not globally serialized.
-- 
Stefan Richter
-=====-==-== -=== -==-=
http://arcgraph.de/sr/
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