linux-kernel - Re: [PATCH v2 5/7] Watchdog: introduce "pretimeout" into framework

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CADyBb7tS8vv4daa4Nx1ALMdNGkAkLaHXQVMrvKntCGKrM9FCKA@mail.gmail.com>
Date:	Mon, 25 May 2015 00:17:31 +0800
From:	Fu Wei <fu.wei@...aro.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Timo Kokkonen <timo.kokkonen@...code.fi>,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	Linaro ACPI Mailman List <linaro-acpi@...ts.linaro.org>,
	linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	Wei Fu <tekkamanninja@...il.com>,
	G Gregory <graeme.gregory@...aro.org>,
	Al Stone <al.stone@...aro.org>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwin.chaugule@...aro.org>,
	Arnd Bergmann <arnd@...db.de>, vgandhi@...eaurora.org,
	wim@...ana.be, Jon Masters <jcm@...hat.com>,
	Leo Duran <leo.duran@....com>, Jon Corbet <corbet@....net>,
	Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2 5/7] Watchdog: introduce "pretimeout" into framework

Hi Guenter,


On 22 May 2015 at 23:05, Guenter Roeck <linux@...ck-us.net> wrote:
> On Fri, May 22, 2015 at 10:38:32PM +0800, Fu Wei wrote:
>> Hi Guenter.
>>
>> Sorry for my poor English .
>> let me explain this :
>>
>> On 22 May 2015 at 21:23, Guenter Roeck <linux@...ck-us.net> wrote:
>> > On 05/22/2015 03:46 AM, Fu Wei wrote:
>> >>
>> >> Hi Timo,
>> >>
>> > [ ... ]
>> >
>> >> So I am still trying to improve pretimeout support :-)
>> >
>> >
>> > Is there anything still missing from it ?
>> >
>> >> If I can make pretimeout merged, may be you can try pretimeout to
>> >> implement early_timeout_sec function?
>> >
>> >
>> > Not sure how one would or even could do that.
>> >
>> > Do you mean "implement early_pretimeout_sec", by any chance ?
>>
>> I mean: using pretimeout to implement the function you want, instead
>> of early_pretimeout_sec
>>
> How would this work if the watchdog hardware doesn't support pretimeout ?
>
> Pretimeout and early timeout are two logically different functions, with
> different goals, so I don't entirely (if at all) understand why it would
> make sense to tie them together.
>
> Can you elaborate why you think this would be a good idea ?

sorry,  my apology.  forget about this, :-)
I think we should focus on SBSA watchdog patch here, but not a
early_timeout_sec.

>
> Thanks,
> Guenter
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
Room 1512, Regus One Corporate Avenue,Level 15,
One Corporate Avenue,222 Hubin Road,Huangpu District,
Shanghai,China 200021
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/