linux-kernel - Re: [PATCH] ARM: dts: exynos: Only Odroid XU3-family boards use DTSI with CPU thermal nodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 11 May 2016 07:49:19 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Anand Moon <linux.amoon@...il.com>
Cc:	Kukjin Kim <kgene@...nel.org>,
	Lukasz Majewski <l.majewski@...sung.com>,
	Javier Martinez Canillas <javier@....samsung.com>,
	devicetree <devicetree@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH] ARM: dts: exynos: Only Odroid XU3-family boards use DTSI
 with CPU thermal nodes

On 05/10/2016 09:45 PM, Anand Moon wrote:
> Hi Krzysztof,
> 
> Sorry I am not able to explain my self clearly.
> But I have once gain tested these changes.
> 
> Only could you append with following changes.
> --------------------------------------------------------
> +                               cpu_crit0: cpu-crit-0 {
> +                                       temperature = <120000>; /*
> millicelsius */
> +                                       hysteresis = <5000>; /* millicelsius */
> +                                       type = "critical";
> +                               };
> --------------------------------------------------------
> hysteresis time help to adjust the present and past temperature inputs
> before critical shutdown.

I need more details why you want this patch. What is the point of
hysteresis on critical trip point? When reaching this trip point the
system shutdowns... there is nothing more to do, I think.

Best regards,
Krzysztof