linux-kernel - Re: [PATCH v2] PM / wakeup: use seq

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Message-ID: <16373191.Y168Qu1tFx@aspire.rjw.lan>
Date:   Thu, 29 Mar 2018 23:54:55 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Ganesh Mahendran <opensource.ganesh@...il.com>
Cc:     Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] PM / wakeup: use seq_open() to show wakeup stats

On Thursday, March 29, 2018 9:49:43 AM CEST Ganesh Mahendran wrote:
> ping.
> 
> 2018-03-05 16:47 GMT+08:00 Ganesh Mahendran <opensource.ganesh@...il.com>:
> > single_open() interface requires that the whole output must
> > fit into a single buffer. This will lead to timeout when
> > system memory is not in a good situation.
> >
> > This patch use seq_open() to show wakeup stats. This method
> > need only one page, so timeout will not be observed.
> 
> We have resolved the watchdog timeout issue by this patch.
> Please help to review.

Sorry for the delay.

I'll have a look tomorrow if possible.

Thanks!