linux-kernel - Re: [PATCH v3 1/2] Staging: comedi: convert while loops to timeouts in

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Message-ID: <1394337357.59397.YahooMailNeo@web164002.mail.gq1.yahoo.com>
Date:	Sat, 8 Mar 2014 19:55:57 -0800 (PST)
From:	Chase Southwood <chase.southwood@...oo.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"abbotti@....co.uk" <abbotti@....co.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] Staging: comedi: convert while loops to timeouts in

Hi Greg,

>On Saturday, March 8, 2014 9:00 PM, Greg KH <gregkh@...uxfoundation.org> wrote:

>>On Fri, Mar 07, 2014 at 07:43:04PM -0600, Chase Southwood wrote:
>>This patch changes a handful of while loops to timeouts to prevent
>>infinite looping on hardware failure. A couple such loops are in a
>>function (s626_debi_transfer()) which is called from critical sections,
>>so comedi_timeout() is unusable for them, and an iterative timeout is
>>used instead. For the while loops in a context where comedi_timeout() is
>>allowed, a new callback function, s626_send_dac_eoc(), has been defined
>>to evaluate the conditions that the while loops are testing.  The new
>>callback employs a switch statement based on a simple new enum so that
>>it is usable for all of the different conditions tested in while loops
>>in s626_send_dac().  The proper comedi_timeout() calls are then used.
>
>Your subject seems to be missing a word at the end of it :(

Well what a silly problem to have :( I don't know what happened there
but I'll fix the subject and send it out again.

Thanks,
Chase
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