From: "Christian König" <deathsimple@vodafone.de>
To: Daniel Vetter <daniel.vetter@ffwll.ch>,
DRI Development <dri-devel@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>,
Daniel Vetter <daniel.vetter@intel.com>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 04/29] drm/amdgpu: Use unlocked gem unreferencing
Date: Mon, 23 Nov 2015 10:56:41 +0100 [thread overview]
Message-ID: <5652E2D9.6090609@vodafone.de> (raw)
In-Reply-To: <1448271183-20523-5-git-send-email-daniel.vetter@ffwll.ch>
On 23.11.2015 10:32, Daniel Vetter wrote:
> For drm_gem_object_unreference callers are required to hold
> dev->struct_mutex, which these paths don't. Enforcing this requirement
> has become a bit more strict with
>
> commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date: Thu Oct 15 09:36:25 2015 +0200
>
> drm/gem: Check locking in drm_gem_object_unreference
>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
For this and the radeon patch Reviewed-by: Christian König
<christian.koenig@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> index 6fcbbcc2e99e..cfb6caad2a73 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> @@ -263,7 +263,7 @@ out_unref:
>
> }
> if (fb && ret) {
> - drm_gem_object_unreference(gobj);
> + drm_gem_object_unreference_unlocked(gobj);
> drm_framebuffer_unregister_private(fb);
> drm_framebuffer_cleanup(fb);
> kfree(fb);
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next prev parent reply other threads:[~2015-11-23 9:56 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-23 9:32 [PATCH 00/29] dev->struct_mutex crusade, once more Daniel Vetter
2015-11-23 9:32 ` [PATCH 01/29] drm/armada: Use unlocked gem unreferencing Daniel Vetter
2015-11-23 9:32 ` [PATCH 02/29] drm/nouveau: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 03/29] drm/omapdrm: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 04/29] drm/amdgpu: " Daniel Vetter
2015-11-23 9:56 ` Christian König [this message]
2015-11-23 9:32 ` [PATCH 05/29] drm/radeon: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 06/29] drm/qxl: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 07/29] drm/tegra: " Daniel Vetter
2015-11-23 10:00 ` Thierry Reding
2015-11-23 9:32 ` [PATCH 08/29] drm/msm: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 09/29] drm/udl: " Daniel Vetter
2015-11-23 9:32 ` [PATCH 10/29] drm/armada: Plug leak in dumb_map_offset Daniel Vetter
2015-11-23 9:32 ` [PATCH 11/29] drm/armada: Don't grab dev->struct_mutex for in mmap offset ioctl Daniel Vetter
2015-11-23 9:32 ` [PATCH 12/29] drm/armada: Drop struct_mutex from cursor paths Daniel Vetter
2015-12-03 16:08 ` Russell King - ARM Linux
2015-12-04 7:51 ` Daniel Vetter
2015-11-23 9:32 ` [PATCH 13/29] drm/armada: Use a private mutex to protect priv->linear Daniel Vetter
2015-11-23 17:40 ` Russell King - ARM Linux
2015-11-23 20:17 ` Daniel Vetter
2015-11-24 9:00 ` [PATCH] " Daniel Vetter
2015-11-23 9:32 ` [PATCH 14/29] drm/tegra: don't take dev->struct_mutex in mmap offset ioctl Daniel Vetter
2015-11-23 10:00 ` Thierry Reding
2015-11-23 9:32 ` [PATCH 15/29] drm/tegra: Use drm_gem_object_unreference_unlocked Daniel Vetter
2015-11-23 10:01 ` Thierry Reding
2015-11-23 9:32 ` [PATCH 16/29] drm/gma500: Use correct unref in the gem bo create function Daniel Vetter
2015-11-23 9:32 ` [PATCH 17/29] drm/gma500: Drop dev->struct_mutex from modeset code Daniel Vetter
2015-11-23 9:32 ` [PATCH 18/29] drm/gma500: Drop dev->struct_mutex from fbdev init/teardown code Daniel Vetter
2015-11-23 9:32 ` [PATCH 19/29] drm/gma500: Drop dev->struct_mutex from mmap offset function Daniel Vetter
2015-11-23 9:32 ` [PATCH 20/29] drm/gma500: Add driver private mutex for the fault handler Daniel Vetter
2015-11-23 9:32 ` [PATCH 21/29] drm/nouveau: Drop dev->struct_mutex from fbdev init Daniel Vetter
2015-11-23 9:32 ` [PATCH 22/29] drm/exynos: Drop dev->struct_mutex from mmap offset function Daniel Vetter
2015-11-23 10:00 ` Daniel Stone
2015-11-23 9:32 ` [PATCH 23/29] drm/exynos: drop struct_mutex from exynos_gem_map_sgt_with_dma Daniel Vetter
2015-11-23 10:01 ` Daniel Stone
2015-11-23 9:32 ` [PATCH 24/29] drm/exynos: drop struct_mutex from exynos_drm_gem_get_ioctl Daniel Vetter
2015-11-23 10:00 ` Daniel Stone
2015-11-23 9:32 ` [PATCH 25/29] drm/exynos: drop struct_mutex from fbdev setup Daniel Vetter
2015-11-23 9:59 ` Daniel Stone
2015-11-23 9:32 ` [PATCH 26/29] drm/vgem: Simplify dum_map Daniel Vetter
2015-11-23 9:33 ` [PATCH 27/29] drm/vgem: Move get_pages to gem_create Daniel Vetter
2016-01-05 15:52 ` poma
2015-11-23 9:33 ` [PATCH 28/29] drm/vgem: Drop dev->struct_mutex Daniel Vetter
2015-11-23 9:33 ` [PATCH 29/29] drm/vma_manage: Drop has_offset Daniel Vetter
2015-11-23 9:33 ` [PATCH] v2: Also add a DRIVER_* check like for all other maps functions to really short-circuit the code. And give drm_legacy_rmmap used by the dev unregister code the same treatment Daniel Vetter
2015-11-23 10:15 ` [Intel-gfx] " Jani Nikula
2015-11-23 10:13 ` Daniel Vetter
2015-12-07 8:14 ` [PATCH 00/29] dev->struct_mutex crusade, once more Daniel Vetter
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