linux-kernel - Re: [PATCH v2] sched: check user input value of sysctl_sched_time

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Message-ID: <1504336232.16793.15.camel@gmx.de>
Date:   Sat, 02 Sep 2017 09:10:32 +0200
From:   Mike Galbraith <efault@....de>
To:     Ethan Zhao <ethan.zhao@...cle.com>, peterz@...radead.org,
        mingo@...hat.com, mcgrof@...nel.org, keescook@...omium.org
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        james.puthukattukaran@...cle.com, ethan.kernel@...il.com
Subject: Re: [PATCH v2] sched: check user input value of
 sysctl_sched_time_avg

On Sat, 2017-09-02 at 14:57 +0800, Ethan Zhao wrote:
> System will hang if user set sysctl_sched_time_avg to 0 by
> 
> [root@XXX ~]# sysctl kernel.sched_time_avg_ms=0

What's wrong with using proc_dointvec_minmax?

	-Mike