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Groups > linux.kernel > #1667998
| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 4/5] watchdog: provide watchdog_reconfigure() for arch watchdogs |
| Date | 2017-06-16 20:30 +0200 |
| Message-ID | <tT4an-3MU-35@gated-at.bofh.it> (permalink) |
| References | <tSToB-4Ym-11@gated-at.bofh.it> <tSToC-4Ym-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 16 Jun 2017 16:57:14 +1000 Nicholas Piggin <npiggin@gmail.com> wrote:
> After reconfiguring watchdog sysctls etc., architecture specific
> watchdogs may not get all their parameters updated.
>
> watchdog_reconfigure() can be implemented to pull the new values
> in and set the arch NMI watchdog.
>
I'll update the title and changelog to say "watchdog_nmi_reconfigure".
> --- a/kernel/watchdog.c
> +++ b/kernel/watchdog.c
> @@ -123,6 +123,11 @@ void __weak watchdog_nmi_disable(unsigned int cpu)
> {
> }
>
> +void __weak watchdog_nmi_reconfigure(void)
> +{
> +}
Can we please get some documentation in here describing what it's for?
How arch maintainers might use this? When and why it is called, what
it must do? etc.
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[PATCH v4 4/5] watchdog: provide watchdog_reconfigure() for arch watchdogs Nicholas Piggin <npiggin@gmail.com> - 2017-06-16 09:00 +0200
Re: [PATCH v4 4/5] watchdog: provide watchdog_reconfigure() for arch watchdogs Andrew Morton <akpm@linux-foundation.org> - 2017-06-16 20:30 +0200
Re: [PATCH v4 4/5] watchdog: provide watchdog_reconfigure() for arch watchdogs Nicholas Piggin <npiggin@gmail.com> - 2017-06-17 05:00 +0200
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