From: Markus Elfring <Markus.Elfring@web.de>
To: Jocelyn Falempe <jfalempe@redhat.com>,
dri-devel@lists.freedesktop.org,
Caleb Connolly <caleb.connolly@linaro.org>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@gmail.com>,
"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Javier Martinez Canillas <javierm@redhat.com>,
John Ogness <john.ogness@linutronix.de>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Petr Mladek <pmladek@suse.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
bluescreen_avenger@verizon.net
Cc: LKML <linux-kernel@vger.kernel.org>,
Simona Vetter <simona.vetter@ffwll.ch>
Subject: Re: [PATCH v9 2/6] drm/log: Introduce a new boot logger to draw the kmsg on the screen
Date: Wed, 18 Dec 2024 13:25:17 +0100 [thread overview]
Message-ID: <feb72a8c-06c1-48d9-abb0-d680c11922a7@web.de> (raw)
In-Reply-To: <20241204160014.1171469-3-jfalempe@redhat.com>
…
> +++ b/drivers/gpu/drm/clients/drm_log.c
> @@ -0,0 +1,370 @@
…
> +static int drm_log_count_modeset(struct drm_client_dev *client)
> +{
> + struct drm_mode_set *mode_set;
> + int count = 0;
> +
> + mutex_lock(&client->modeset_mutex);
> + drm_client_for_each_modeset(mode_set, client)
> + count++;
> + mutex_unlock(&client->modeset_mutex);
> + return count;
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&client->modeset_mutex);”?
https://elixir.bootlin.com/linux/v6.13-rc3/source/include/linux/mutex.h#L201
Regards,
Markus
next prev parent reply other threads:[~2024-12-18 12:25 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-04 15:44 [PATCH v9 0/6] drm/log: Introduce a new boot logger to draw the kmsg on the screen Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 1/6] drm/panic: Move drawing functions to drm_draw Jocelyn Falempe
2024-12-11 21:34 ` [v9,1/6] " Kees Bakker
2024-12-12 8:36 ` Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 2/6] drm/log: Introduce a new boot logger to draw the kmsg on the screen Jocelyn Falempe
2024-12-05 16:21 ` Thomas Zimmermann
2024-12-12 7:41 ` Dan Carpenter
2024-12-12 8:49 ` Jocelyn Falempe
2024-12-12 8:53 ` Dan Carpenter
2024-12-12 10:07 ` Simona Vetter
2024-12-18 12:25 ` Markus Elfring [this message]
2024-12-18 13:51 ` Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 3/6] drm/log: Do not draw if drm_master is taken Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 4/6] drm/log: Color the timestamp, to improve readability Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 5/6] drm/log: Implement suspend/resume Jocelyn Falempe
2024-12-04 15:45 ` [PATCH v9 6/6] drm/log: Add integer scaling support Jocelyn Falempe
2024-12-10 13:42 ` [PATCH v9 0/6] drm/log: Introduce a new boot logger to draw the kmsg on the screen Jocelyn Falempe
2024-12-17 14:19 ` Geert Uytterhoeven
2024-12-17 14:46 ` Jocelyn Falempe
2024-12-17 14:54 ` Geert Uytterhoeven
2024-12-18 10:14 ` Jocelyn Falempe
2024-12-18 11:00 ` Geert Uytterhoeven
2024-12-18 11:41 ` Jocelyn Falempe
2024-12-18 14:18 ` Petr Mladek
2024-12-18 14:25 ` Geert Uytterhoeven
2024-12-18 14:58 ` Jocelyn Falempe
2024-12-18 15:03 ` Geert Uytterhoeven
2024-12-18 16:18 ` Petr Mladek
2024-12-19 11:24 ` Jocelyn Falempe
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