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From: "Oskar Schirmer" <oskar@scara.com>
To: "Wim Van Sebroeck" <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org,
	" Wolfram Sang" <w.sang@pengutronix.de>,
	" Sascha Hauer" <kernel@pengutronix.de>,
	" Andrew Morton" <akpm@linux-foundation.org>,
	" Johannes Weiner" <hannes@cmpxchg.org>,
	" Oskar Schirmer" <oskar@scara.com>
Subject: Re: [PATCH v3] watchdog/imx2+: add support for pretimeout interrupt functionality
Date: 27 Sep 2012 13:08:37 +0000	[thread overview]
Message-ID: <20120927130837.GA22448@curry> (raw)
In-Reply-To: <1348155444-24321-1-git-send-email-oskar@scara.com>

Hi Wim,

unless there is another issue with this patch,
could You give an ack now?

thanks,
  Oskar

On Thu, Sep 20, 2012 at 15:37:24 +0000, Oskar Schirmer wrote:
> This watchdog device provides pretimeout facilities:
> Set some timeout value and get informed about imminent
> watchdog activity thru interrupt.
> 
> Allow user to wait for this asynchronous event thru poll(2),
> and to clear it implicitely upon dog appeasement.
> 
> There is only one precedent in current kernel that implements
> watchdog pretimeout, ipmi_watchdog. It provides pretimeout
> event thru poll, and requires a read(2) call to clear it.
> 
> However, as write(2) does calm the dog and so wind up the
> timer anyway, it is obvious to let poll(2) state writability
> where pretimeout has passed.
[...]

  reply	other threads:[~2012-09-27 13:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-31 10:37 [PATCH] watchdog/imx2+: add support for pretimeout interrupt functionality Oskar Schirmer
2012-07-03  9:10 ` [PATCH] watchdog/imx2+: add support for pretimeout interrupt Oskar Schirmer
2012-09-05  7:23   ` Oskar Schirmer
2012-09-11 10:00 ` [PATCH v2] watchdog/imx2+: add support for pretimeout interrupt functionality Oskar Schirmer
2012-09-11 11:00   ` Wim Van Sebroeck
2012-09-11 13:39     ` Oskar Schirmer
2012-09-20 15:37   ` [PATCH v3] " Oskar Schirmer
2012-09-27 13:08     ` Oskar Schirmer [this message]
2012-09-27 21:24       ` Wim Van Sebroeck

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