From: Markus Elfring <Markus.Elfring@web.de>
To: "John Stultz" <jstultz@google.com>,
"T. J. Mercier" <tjmercier@google.com>,
"Yong Wu" <yong.wu@mediatek.com>,
"Yunfei Dong" <yunfei.dong@mediatek.com>,
Project_Global_Chrome_Upstream_Group@mediatek.com,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
"Angelo Gioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Hans Verkuil" <hverkuil-cisco@xs4all.nl>,
"Jeffrey Kardatzke" <jkardatzke@google.com>,
"Marek Szyprowski" <m.szyprowski@samsung.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Nathan Hebert" <nhebert@chromium.org>,
"Nicolas Dufresne" <nicolas.dufresne@collabora.com>,
"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
"Sebastian Fricke" <sebastian.fricke@collabora.com>,
"Tomasz Figa" <tfiga@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Brian Starkey" <Brian.Starkey@arm.com>,
"Chen-Yu Tsai" <wenst@chromium.org>,
"Christian König" <christian.koenig@amd.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Fritz König" <frkoenig@chromium.org>,
"Hsin-yi Wang" <hsinyi@chromium.org>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"Steve Cho" <stevecho@chromium.org>,
"Sumit Semwal" <sumit.semwal@linaro.org>
Subject: Re: [PATCH v7 05/28] dma-heap: Add proper kref handling on dma-buf heaps
Date: Sat, 20 Jul 2024 17:13:40 +0200 [thread overview]
Message-ID: <2f5e5e81-21e1-421d-94ac-e4507b323680@web.de> (raw)
In-Reply-To: <20240720071606.27930-6-yunfei.dong@mediatek.com>
…
> +++ b/drivers/dma-buf/dma-heap.c
…
> +static void dma_heap_release(struct kref *ref)
> +{
…
> + mutex_lock(&heap_list_lock);
> + list_del(&heap->list);
> + mutex_unlock(&heap_list_lock);
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&heap_list_lock);”?
https://elixir.bootlin.com/linux/v6.10/source/include/linux/mutex.h#L196
Regards,
Markus
next prev parent reply other threads:[~2024-07-20 15:14 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-20 7:15 [PATCH v7 00/28] media: mediatek: add driver to support secure video decoder Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 01/28] v4l2: add restricted memory flags Yunfei Dong
2024-07-20 9:13 ` Hans Verkuil
2024-07-20 7:15 ` [PATCH v7 02/28] v4l2: handle restricted memory flags in queue setup Yunfei Dong
2024-07-20 9:20 ` Hans Verkuil
2024-07-20 9:53 ` Hans Verkuil
2024-07-20 7:15 ` [PATCH v7 03/28] media: videobuf2: calculate restricted memory size Yunfei Dong
2024-07-20 9:29 ` Hans Verkuil
2024-07-20 7:15 ` [PATCH v7 04/28] dma-buf: heaps: Deduplicate docs and adopt common format Yunfei Dong
2024-07-25 11:52 ` Christian König
2024-07-25 18:28 ` T.J. Mercier
2024-07-20 7:15 ` [PATCH v7 05/28] dma-heap: Add proper kref handling on dma-buf heaps Yunfei Dong
2024-07-20 15:13 ` Markus Elfring [this message]
2024-07-22 18:06 ` John Stultz
2024-07-22 18:38 ` Markus Elfring
2024-07-20 7:15 ` [PATCH v7 06/28] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 07/28] media: mediatek: vcodec: add tee client interface to communiate with optee-os Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 08/28] media: mediatek: vcodec: build decoder OPTEE driver as module Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 09/28] media: mediatek: vcodec: allocate tee share memory Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 10/28] media: mediatek: vcodec: send share memory data to optee Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 11/28] media: mediatek: vcodec: initialize msg and vsi information Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 12/28] media: mediatek: vcodec: add interface to allocate/free secure memory Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 13/28] media: mediatek: vcodec: using shared memory as vsi address Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 14/28] media: mediatek: vcodec: add single allocation format Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 15/28] media: mediatek: vcodec: support " Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 16/28] media: mediatek: vcodec: support single allocation buffer Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 17/28] media: mediatek: vcodec: re-construct h264 driver to support svp mode Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 18/28] media: mediatek: vcodec: remove parse nal_info in kernel Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 19/28] media: mediatek: vcodec: disable wait interrupt for svp mode Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 20/28] media: mediatek: vcodec: support tee decoder Yunfei Dong
2024-07-20 7:15 ` [PATCH v7 21/28] media: mediatek: vcodec: move vdec init interface to setup callback Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 22/28] media: mediatek: vcodec: support hevc svp for mt8188 Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 23/28] media: mediatek: vcodec: support av1 svp decoder " Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 24/28] media: mediatek: vcodec: support vp9 " Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 25/28] media: mediatek: vcodec: remove vsi data from common interface Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 26/28] media: mediatek: vcodec: rename vsi to extend vsi Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 27/28] media: mediatek: vcodec: adding non extend struct Yunfei Dong
2024-07-20 7:16 ` [PATCH v7 28/28] media: mediatek: vcodec: support extend h264 driver Yunfei Dong
2024-11-13 12:20 ` [PATCH v7 00/28] media: mediatek: add driver to support secure video decoder Sebastian Fricke
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