From: Thomas Zimmermann <tzimmermann@suse.de>
To: Daniel Vetter <daniel.vetter@ffwll.ch>,
DRI Development <dri-devel@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout
Date: Wed, 11 Mar 2020 10:15:49 +0100 [thread overview]
Message-ID: <c32c7240-5963-1cf2-9141-59012df562af@suse.de> (raw)
In-Reply-To: <20200302222631.3861340-20-daniel.vetter@ffwll.ch>
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Am 02.03.20 um 23:25 schrieb Daniel Vetter:
> A few things:
> - Update the example driver in the documentation.
> - We can drop the old kfree in drm_dev_release.
> - Add a WARN_ON check in drm_dev_register to make sure everyone calls
> drmm_add_final_kfree and there's no leaks.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/gpu/drm/drm_drv.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 7b84ee8a5eb5..1a048325f30e 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -297,8 +297,6 @@ void drm_minor_release(struct drm_minor *minor)
> *
> * drm_mode_config_cleanup(drm);
> * drm_dev_fini(drm);
> - * kfree(priv->userspace_facing);
> - * kfree(priv);
> * }
> *
> * static struct drm_driver driver_drm_driver = {
> @@ -326,10 +324,11 @@ void drm_minor_release(struct drm_minor *minor)
> * kfree(drm);
> * return ret;
> * }
> + * drmm_add_final_kfree(drm, priv);
> *
> * drm_mode_config_init(drm);
> *
> - * priv->userspace_facing = kzalloc(..., GFP_KERNEL);
> + * priv->userspace_facing = drmm_kzalloc(..., GFP_KERNEL);
> * if (!priv->userspace_facing)
> * return -ENOMEM;
> *
> @@ -961,6 +960,8 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
> struct drm_driver *driver = dev->driver;
> int ret;
>
> + WARN_ON(!dev->managed.final_kfree);
> +
> if (drm_dev_needs_global_mutex(dev))
> mutex_lock(&drm_global_mutex);
>
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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next prev parent reply other threads:[~2020-03-11 9:15 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-02 22:25 [PATCH 00/51] drm_device managed resources, v4 Daniel Vetter
2020-03-02 22:25 ` [PATCH 01/51] mm/sl[uo]b: export __kmalloc_track(_node)_caller Daniel Vetter
2020-03-02 22:25 ` [PATCH 02/51] drm/i915: Don't clear drvdata in ->release Daniel Vetter
2020-03-02 22:25 ` [PATCH 03/51] drm: add managed resources tied to drm_device Daniel Vetter
2020-03-03 8:04 ` Dan Carpenter
2020-03-03 8:25 ` Daniel Vetter
2020-03-03 8:44 ` [PATCH] " Daniel Vetter
2020-03-06 19:38 ` Sam Ravnborg
2020-03-11 9:07 ` [PATCH 03/51] " Thomas Zimmermann
2020-03-11 9:47 ` Thomas Zimmermann
2020-03-16 8:45 ` Daniel Vetter
2020-03-11 9:14 ` Thomas Zimmermann
2020-03-16 8:50 ` Daniel Vetter
2020-03-02 22:25 ` [PATCH 04/51] drm: Set final_kfree in drm_dev_alloc Daniel Vetter
2020-03-03 7:44 ` Gerd Hoffmann
2020-03-07 8:06 ` Sam Ravnborg
2020-03-23 11:02 ` Daniel Vetter
2020-03-11 9:09 ` Thomas Zimmermann
2020-03-02 22:25 ` [PATCH 05/51] drm/mipi_dbi: Use drmm_add_final_kfree in all drivers Daniel Vetter
2020-03-02 22:25 ` [PATCH 06/51] drm/udl: Use drmm_add_final_kfree Daniel Vetter
2020-03-11 9:10 ` Thomas Zimmermann
2020-03-02 22:25 ` [PATCH 07/51] drm/qxl: " Daniel Vetter
2020-03-03 7:44 ` Gerd Hoffmann
2020-03-02 22:25 ` [PATCH 08/51] drm/i915: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 09/51] drm/cirrus: " Daniel Vetter
2020-03-03 7:49 ` Gerd Hoffmann
2020-03-03 8:27 ` Daniel Vetter
2020-03-02 22:25 ` [PATCH 10/51] drm/v3d: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 11/51] drm/tidss: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 12/51] drm/mcde: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 13/51] drm/vgem: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 14/51] drm/vkms: " Daniel Vetter
2020-03-02 22:25 ` [PATCH 15/51] drm/repaper: " Daniel Vetter
2020-03-06 20:27 ` Sam Ravnborg
2020-03-02 22:25 ` [PATCH 16/51] drm/ingenic: " Daniel Vetter
2020-03-06 20:27 ` Sam Ravnborg
2020-03-02 22:25 ` [PATCH 17/51] drm/gm12u320: " Daniel Vetter
2020-03-06 20:27 ` Sam Ravnborg
2020-03-02 22:25 ` [PATCH 18/51] drm/<drivers>: " Daniel Vetter
2020-03-06 20:28 ` Sam Ravnborg
2020-03-02 22:25 ` [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout Daniel Vetter
2020-03-03 8:45 ` [PATCH] " Daniel Vetter
2020-03-06 20:31 ` Sam Ravnborg
2020-03-06 20:29 ` [PATCH 19/51] " Sam Ravnborg
2020-03-11 9:15 ` Thomas Zimmermann [this message]
2020-03-02 22:26 ` [PATCH 20/51] drm: Handle dev->unique with drmm_ Daniel Vetter
2020-03-06 20:37 ` Sam Ravnborg
2020-03-23 10:54 ` Daniel Vetter
2020-03-11 9:19 ` Thomas Zimmermann
2020-03-02 22:26 ` [PATCH 21/51] drm: Use drmm_ for drm_dev_init cleanup Daniel Vetter
2020-03-11 9:39 ` Thomas Zimmermann
2020-03-16 9:02 ` Daniel Vetter
2020-03-02 22:26 ` [PATCH 22/51] drm: manage drm_minor cleanup with drmm_ Daniel Vetter
2020-03-11 9:59 ` Thomas Zimmermann
2020-03-16 9:07 ` Daniel Vetter
2020-03-02 22:26 ` [PATCH 23/51] drm: Manage drm_gem_init " Daniel Vetter
2020-03-07 8:20 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 24/51] drm: Manage drm_vblank_cleanup " Daniel Vetter
2020-03-07 8:28 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 25/51] drm: Garbage collect drm_dev_fini Daniel Vetter
2020-03-07 8:30 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 26/51] drm: Manage drm_mode_config_init with drmm_ Daniel Vetter
2020-03-06 20:04 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 27/51] drm/bochs: Remove leftover drm_atomic_helper_shutdown Daniel Vetter
2020-03-03 7:49 ` Gerd Hoffmann
2020-03-02 22:26 ` [PATCH 28/51] drm/bochs: Drop explicit drm_mode_config_cleanup Daniel Vetter
2020-03-03 7:50 ` Gerd Hoffmann
2020-03-06 20:14 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 29/51] drm/cirrus: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-03 7:51 ` Gerd Hoffmann
2020-03-02 22:26 ` [PATCH 30/51] drm/cirrus: Fully embrace devm_ Daniel Vetter
2020-03-03 7:51 ` Gerd Hoffmann
2020-03-02 22:26 ` [PATCH 31/51] drm/ingenic: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-06 20:17 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 32/51] drm/mcde: " Daniel Vetter
2020-03-06 20:18 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 33/51] drm/mcde: More devm_drm_dev_init Daniel Vetter
2020-03-02 22:26 ` [PATCH 34/51] drm/meson: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-02 22:26 ` [PATCH 35/51] drm/pl111: " Daniel Vetter
2020-03-07 8:37 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 36/51] drm/rcar-du: " Daniel Vetter
2020-03-02 22:26 ` [PATCH 37/51] drm/rockchip: " Daniel Vetter
2020-03-07 8:38 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 38/51] drm/stm: " Daniel Vetter
2020-03-07 9:25 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 39/51] drm/shmob: " Daniel Vetter
2020-03-02 22:26 ` [PATCH 40/51] drm/mtk: " Daniel Vetter
2020-03-07 9:26 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 41/51] drm/tidss: " Daniel Vetter
2020-03-02 22:26 ` [PATCH 42/51] drm/gm12u320: More drmm_ Daniel Vetter
2020-03-02 22:26 ` [PATCH 43/51] drm/gm12u320: Use devm_drm_dev_init Daniel Vetter
2020-03-02 22:26 ` [PATCH 44/51] drm/gm12u320: Use helpers for shutdown/suspend/resume Daniel Vetter
2020-03-02 22:26 ` [PATCH 45/51] drm/gm12u320: Simplify upload work Daniel Vetter
2020-03-02 22:26 ` [PATCH 46/51] drm/repaper: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-07 9:31 ` Sam Ravnborg
2020-03-02 22:26 ` [PATCH 47/51] drm/mipi-dbi: Move drm_mode_config_init into mipi library Daniel Vetter
2020-03-02 22:26 ` [PATCH 48/51] drm/mipi-dbi: Drop explicit drm_mode_config_cleanup call Daniel Vetter
2020-03-02 22:26 ` [PATCH 49/51] drm/udl: " Daniel Vetter
2020-03-02 22:26 ` [PATCH 50/51] drm/udl: drop drm_driver.release hook Daniel Vetter
2020-03-03 7:57 ` Thomas Zimmermann
2020-03-02 22:26 ` [PATCH 51/51] drm: Add docs for managed resources Daniel Vetter
2020-03-07 10:07 ` Sam Ravnborg
-- strict thread matches above, loose matches on Subject: below --
2020-03-23 14:48 [PATCH 00/51] drm_device managed resources, v5 Daniel Vetter
2020-03-23 14:49 ` [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout Daniel Vetter
2020-04-02 0:50 ` Laurent Pinchart
2020-04-02 5:17 ` Daniel Vetter
2020-04-02 9:39 ` Laurent Pinchart
2020-04-02 9:50 ` Daniel Vetter
2020-02-27 18:14 [PATCH 00/51] drm managed resources, v3 Daniel Vetter
2020-02-27 18:14 ` [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout Daniel Vetter
2020-02-21 21:02 [PATCH 00/51] drm managed resources, v2 Daniel Vetter
2020-02-21 21:02 ` [PATCH 19/51] drm: Cleanups after drmm_add_final_kfree rollout Daniel Vetter
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