Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver

From	Fu Wei <fu.wei@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver
Date	2015-09-14 17:30 +0200
Message-ID	<q8DRD-1Is-15@gated-at.bofh.it> (permalink)
References	(3 earlier) <pxlqG-AJ-31@gated-at.bofh.it> <pxlAm-Mh-11@gated-at.bofh.it> <pxm3o-1kW-9@gated-at.bofh.it> <q7iPg-744-1@gated-at.bofh.it> <q8tyW-3NK-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi Pratyush,

Great thanks for your help on some update for watchdog framework.

For " Fix parent of watchdog_devices", I will update my patchset.
For the upstreaming patchset"Sysfs status read support", will make a
patch. But upstream it when your patchset is merged.

On 14 September 2015 at 12:21, Pratyush Anand <panand@redhat.com> wrote:
> On 10/09/2015:06:45:17 PM, Jon Masters wrote:
>> On 06/03/2015 02:53 PM, Timur Tabi wrote:
>> > On 06/03/2015 01:25 PM, Guenter Roeck wrote:
>> >> In general the idea here would be to use a crashdump kernel, which,
>> >> when loaded, would reset the watchdog before it fires. This kernel
>> >> would then write a core dump to a specified location.
>
> And this is what we do in fedora or RHEL. There had been some work ongoing in
> fedora [1][2] which will help to reset any active watchdog in kdump kernel(if
> the watchdog driver has been registered to watchdog_class). It will eventually
> help a watchdog on ARM64 platform as well.
>
> [1] https://lists.fedoraproject.org/pipermail/kexec/2015-September/002295.html
> [2] https://github.com/pratyushanand/kexec-tools/commits/watchdog_fmaster
>
> ~Pratyush



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
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Thread

Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver Jon Masters <jcm@redhat.com> - 2015-09-11 00:50 +0200
  Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver Pratyush Anand <panand@redhat.com> - 2015-09-14 06:30 +0200
    Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver Fu Wei <fu.wei@linaro.org> - 2015-09-14 17:30 +0200
  Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver Catalin Marinas <catalin.marinas@arm.com> - 2015-09-14 11:00 +0200
  Re: [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver Fu Wei <fu.wei@linaro.org> - 2015-09-15 05:20 +0200

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