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From: Guenter Roeck <linux@roeck-us.net>
To: Mayank Rungta <mrungta@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Wim Van Sebroeck <wim@linux-watchdog.org>,
	Tzung-Bi Shih <tzungbi@kernel.org>,
	Douglas Anderson <dianders@chromium.org>,
	linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org
Subject: Re: [PATCH 2/2] watchdog: pretimeout: Convert dump pretimeout governor to tristate
Date: Thu, 6 Aug 2026 20:50:44 -0700	[thread overview]
Message-ID: <604ee620-5d1b-4134-9e92-6d3d54e7cc52@roeck-us.net> (raw)
In-Reply-To: <20260730-export-cpu-backtrace-apis-v1-2-bace8e1cb817@google.com>

On Thu, Jul 30, 2026 at 03:00:22PM -0700, Mayank Rungta wrote:
> From: Mayank Rungta <mrungta@google.com>
> 
> Commit 645ad41da8b2 ("watchdog: pretimeout: Add "dump" pretimeout
> governor") added the "dump" watchdog pretimeout governor, but restricted
> it to built-in code because trigger_all_cpu_backtrace() was not exported
> to loadable modules.
> 
> Now that CPU backtrace APIs are supported for loadable kernel modules
> via cpumask_backtrace(), convert WATCHDOG_PRETIMEOUT_GOV_DUMP to
> tristate. This allows kernels to deliver the pretimeout governor as a
> loadable kernel module.
> 
> Signed-off-by: Mayank Rungta <mrungta@google.com>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
> Acked-by: Guenter Roeck <linux@roeck-us.net>
> Reviewed-by: Andrew Morton <akpm@linux-foundation.org>

Applied.

Thanks,
Guenter

  parent reply	other threads:[~2026-08-07  3:50 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-30 22:00 [PATCH 0/2] watchdog: pretimeout: Allow building dump governor as module Mayank Rungta via B4 Relay
2026-07-30 22:00 ` [PATCH 1/2] nmi: Export CPU backtrace APIs for loadable modules Mayank Rungta via B4 Relay
2026-07-31  1:54   ` Doug Anderson
2026-08-06 21:40   ` Guenter Roeck
2026-08-06 23:44   ` Andrew Morton
2026-08-07  3:50   ` Guenter Roeck
2026-07-30 22:00 ` [PATCH 2/2] watchdog: pretimeout: Convert dump pretimeout governor to tristate Mayank Rungta via B4 Relay
2026-07-31  1:55   ` Doug Anderson
2026-08-01 12:38   ` Tzung-Bi Shih
2026-08-06 21:41   ` Guenter Roeck
2026-08-06 23:44   ` Andrew Morton
2026-08-07  3:50   ` Guenter Roeck [this message]
2026-07-30 22:50 ` [PATCH 0/2] watchdog: pretimeout: Allow building dump governor as module Andrew Morton
2026-07-30 23:39   ` Mayank Rungta
2026-07-31 21:01     ` Andrew Morton
2026-07-31 21:19       ` Guenter Roeck

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