linux-kernel - Re: [PATCH] dma-buf: cma_heap: Fix mutex locking section

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Message-ID: <CALAqxLVSaZywOOnF=67X+gu9eo+ZmKQmW3wUOOKEM0rUZ4K5gg@mail.gmail.com>
Date:   Mon, 3 Jan 2022 23:42:56 -0800
From:   John Stultz <john.stultz@...aro.org>
To:     Weizhao Ouyang <o451686892@...il.com>
Cc:     Sumit Semwal <sumit.semwal@...aro.org>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Liam Mark <lmark@...eaurora.org>,
        Laura Abbott <labbott@...nel.org>,
        Brian Starkey <Brian.Starkey@....com>,
        christian.koenig@....com, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-buf: cma_heap: Fix mutex locking section

On Mon, Jan 3, 2022 at 11:36 PM Weizhao Ouyang <o451686892@...il.com> wrote:
>
> Fix cma_heap_buffer mutex locking critical section to protect vmap_cnt
> and vaddr.
>
> Fixes: a5d2d29e24be ("dma-buf: heaps: Move heap-helper logic into the cma_heap implementation")
> Signed-off-by: Weizhao Ouyang <o451686892@...il.com>

Looks good to me!  Thanks so much for sending this in!

Acked-by: John Stultz <john.stultz@...aro.org>

thanks again
-john