Re: [PATCH v4 11/21] misc: fastrpc: Prepare to dynamic dma-buf locking specification

From: "Christian König via Virtualization" <virtualization@lists.linux-foundation.org>
To: "Dmitry Osipenko" <dmitry.osipenko@collabora.com>,
	"David Airlie" <airlied@linux.ie>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Gurchetan Singh" <gurchetansingh@chromium.org>,
	"Chia-I Wu" <olvaffe@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Daniel Almeida" <daniel.almeida@collabora.com>,
	"Gert Wollny" <gert.wollny@collabora.com>,
	"Gustavo Padovan" <gustavo.padovan@collabora.com>,
	"Daniel Stone" <daniel@fooishbar.org>,
	"Tomeu Vizoso" <tomeu.vizoso@collabora.com>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Rob Clark" <robdclark@gmail.com>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Pan, Xinhui" <Xinhui.Pan@amd.com>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Tomasz Figa" <tfiga@chromium.org>,
	"Marek Szyprowski" <m.szyprowski@samsung.com>,
	"Mauro Carvalho Chehab" <mchehab@kernel.org>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"Tvrtko Ursulin" <tvrtko.ursulin@linux.intel.com>,
	"Thomas Hellström" <thomas_os@shipmail.org>,
	"Qiang Yu" <yuq825@gmail.com>,
	"Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>,
	"Amol Maheshwari" <amahesh@qti.qualcomm.com>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Leon Romanovsky" <leon@kernel.org>,
	"Juergen Gross" <jgross@suse.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Oleksandr Tyshchenko" <oleksandr_tyshchenko@epam.com>,
	"Tomi Valkeinen" <tomba@kernel.org>,
	"Russell King" <linux@armlinux.org.uk>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Christian Gmeiner" <christian.gmeiner@gmail.com>
Cc: linux-rdma@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	amd-gfx@lists.freedesktop.org,
	virtualization@lists.linux-foundation.org,
	linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
	Dmitry Osipenko <digetx@gmail.com>,
	kernel@collabora.com, linux-media@vger.kernel.org
Subject: Re: [PATCH v4 11/21] misc: fastrpc: Prepare to dynamic dma-buf locking specification
Date: Thu, 1 Sep 2022 08:55:04 +0200	[thread overview]
Message-ID: <ad72df13-920e-6b22-80ae-ecf2e6bc5b55@amd.com> (raw)
In-Reply-To: <20220831153757.97381-12-dmitry.osipenko@collabora.com>

Am 31.08.22 um 17:37 schrieb Dmitry Osipenko:
> Prepare fastrpc to the common dynamic dma-buf locking convention by
> starting to use the unlocked versions of dma-buf API functions.
>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>

Acked-by: Christian König <christian.koenig@amd.com>

> ---
>   drivers/misc/fastrpc.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
> index 93ebd174d848..6fcfb2e9f7a7 100644
> --- a/drivers/misc/fastrpc.c
> +++ b/drivers/misc/fastrpc.c
> @@ -310,8 +310,8 @@ static void fastrpc_free_map(struct kref *ref)
>   				return;
>   			}
>   		}
> -		dma_buf_unmap_attachment(map->attach, map->table,
> -					 DMA_BIDIRECTIONAL);
> +		dma_buf_unmap_attachment_unlocked(map->attach, map->table,
> +						  DMA_BIDIRECTIONAL);
>   		dma_buf_detach(map->buf, map->attach);
>   		dma_buf_put(map->buf);
>   	}
> @@ -726,7 +726,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
>   		goto attach_err;
>   	}
>   
> -	map->table = dma_buf_map_attachment(map->attach, DMA_BIDIRECTIONAL);
> +	map->table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL);
>   	if (IS_ERR(map->table)) {
>   		err = PTR_ERR(map->table);
>   		goto map_err;

_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization