linux-kernel - Re: [PATCH]cpuidle: preventive check in cpuidle

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Message-ID: <CAJZ5v0g36rdGVDT==CMCsnDFQ6ph2PxOyF0mgdMSfP4Wiv74TQ@mail.gmail.com>
Date:   Wed, 27 Dec 2017 01:42:58 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     gaurav jindal <gauravjindal1104@...il.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]cpuidle: preventive check in cpuidle_select against crash

On Tue, Dec 26, 2017 at 8:26 AM, gaurav jindal
<gauravjindal1104@...il.com> wrote:
> When selecting the idle state using cpuidle_select, there is no
> check on cpuidle_curr_governor. In cpuidle_switch_governor,
> cpuidle_currr_governor can be set to NULL to specify "disabled".

How exactly?