From: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
To: James Cowgill <james.cowgill@blaize.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heiko Stuebner <heiko@sntech.de>,
linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] media: hantro: Avoid global variable for jpeg quantization tables
Date: Wed, 17 Nov 2021 07:58:23 -0300 [thread overview]
Message-ID: <YZTgT3Gt8GVQqJtm@eze-laptop> (raw)
In-Reply-To: <20211111220108.1873947-1-james.cowgill@blaize.com>
Hi James,
Thanks for the patch.
On Thu, Nov 11, 2021 at 10:01:08PM +0000, James Cowgill wrote:
> On a system with multiple encoders present, it's possible for two
> encoders to write to the global luma and chroma quantization tables at
> the same time if they both submit a JPEG frame to be encoded. Avoid
> this race by moving the tables into the `jpeg_ctx` structure which is
> stored on the stack.
>
> Signed-off-by: James Cowgill <james.cowgill@blaize.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
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prev parent reply other threads:[~2021-11-17 11:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-11 22:01 [PATCH] media: hantro: Avoid global variable for jpeg quantization tables James Cowgill
2021-11-17 10:58 ` Ezequiel Garcia [this message]
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