From: Thomas Gleixner <tglx@linutronix.de>
To: Chen Yu <yu.c.chen@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
John Stultz <john.stultz@linaro.org>,
Xunlei Pang <xpang@redhat.com>, Zhang Rui <rui.zhang@intel.com>,
Linux PM list <linux-pm@vger.kernel.org>,
Linux Kernel Mail List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][v2] timekeeping: Fix memory overwrite of sleep_time_bin array
Date: Fri, 29 Jul 2016 14:59:09 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1607291458090.19896@nanos> (raw)
In-Reply-To: <20160729095015.GB8076@sharon>
On Fri, 29 Jul 2016, Chen Yu wrote:
> On Tue, Jul 19, 2016 at 12:40:14PM +0200, Thomas Gleixner wrote:
> 1st is to bypass the sleep time if pm_trace is involved(a little complicated
> because it needs to deal with historical pm_trace), or
>
> 2nd version is to introduce a sysfs interface to allow the
> users to specify the threshold of sleep time, any delta
> of tsc bigger than the threshold would be regarded as invalid.
That one is really overkill. We provide a proper sanity measure for this and
be done with it.
Thanks,
tglx
prev parent reply other threads:[~2016-07-29 13:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-19 4:51 [PATCH][v2] timekeeping: Fix memory overwrite of sleep_time_bin array Chen Yu
2016-07-19 8:36 ` Thomas Gleixner
2016-07-19 9:07 ` Chen Yu
2016-07-19 10:40 ` Thomas Gleixner
2016-07-20 11:06 ` Chen Yu
2016-07-20 12:59 ` Rafael J. Wysocki
2016-07-20 16:59 ` Chen, Yu C
2016-07-29 9:50 ` Chen Yu
2016-07-29 12:59 ` Thomas Gleixner [this message]
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