linux-kernel - Re: [PATCH 4.19 36/54] tee: add tee_shm_alloc_kernel

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Message-ID: <20210811072434.GB10829@duo.ucw.cz>
Date:   Wed, 11 Aug 2021 09:24:34 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Tyler Hicks <tyhicks@...ux.microsoft.com>,
        Sumit Garg <sumit.garg@...aro.org>,
        Jens Wiklander <jens.wiklander@...aro.org>
Subject: Re: [PATCH 4.19 36/54] tee: add tee_shm_alloc_kernel_buf()

Hi!

> commit dc7019b7d0e188d4093b34bd0747ed0d668c63bf upstream.
> 
> Adds a new function tee_shm_alloc_kernel_buf() to allocate shared memory
> from a kernel driver. This function can later be made more lightweight
> by unnecessary dma-buf export.

5.10 contains follow-up patches actually using the export, but 4.19
does not. I believe it should be dropped from 4.19.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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