linux-kernel - Re: [PATCH 1/7] initdev:kernel:Asynchronously-discovered device synchronization, v6

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Message-ID: <20090608221102.GA22222@cuplxvomd02.corp.sa.net>
Date:	Mon, 8 Jun 2009 15:11:02 -0700
From:	David VomLehn <dvomlehn@...co.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	linux-usb@...r.kernel.org, greg@...ah.com,
	linux-scsi@...r.kernel.org, netdev@...r.kernel.org,
	arjan@...radead.org
Subject: Re: [PATCH 1/7] initdev:kernel:Asynchronously-discovered device
	synchronization, v6

On Sat, Jun 06, 2009 at 05:08:31AM -0400, Stefan Richter wrote:
> I wrote:
> > What happens if the calls or the call arguments aren't balanced, e.g. 
> > due to a mistake in an error path?  The kernel will hang?
> 
> Yes, unless the waiting subsystems implement timeouts.

This is absolutely correct. It would, of course, be possible to add a
timeout, but it would really be papering over a bug. If this every happened,
the proper thing would be to fix the problem.

> Stefan Richter
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