From: sspatil@google.com
To: john.stultz@linaro.org, linux-kernel@vger.kernel.org,
labbott@redhat.com, benjamin.gaignard@linaro.org,
sumit.semwal@linaro.org, lmark@codeaurora.org,
pratikp@codeaurora.org, Brian.Starkey@arm.com, afd@ti.com,
akpm@linux-foundation.org, huyue2@yulong.com, rppt@linux.ibm.com,
fengc@google.com, astrachan@google.com, hridya@google.com,
dri-devel@lists.freedesktop.org
Cc: lkml <linux-kernel@vger.kernel.org>,
Laura Abbott <labbott@redhat.com>,
Benjamin Gaignard <benjamin.gaignard@linaro.org>,
Sumit Semwal <sumit.semwal@linaro.org>,
Liam Mark <lmark@codeaurora.org>,
Pratik Patel <pratikp@codeaurora.org>,
Brian Starkey <Brian.Starkey@arm.com>,
"Andrew F . Davis" <afd@ti.com>,
Andrew Morton <akpm@linux-foundation.org>,
Yue Hu <huyue2@yulong.com>, Mike Rapoport <rppt@linux.ibm.com>,
Chenbo Feng <fengc@google.com>,
Alistair Strachan <astrachan@google.com>,
Hridya Valsaraju <hridya@google.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [RFC][PATCH 1/2] mm: cma: Export cma symbols for cma heap as a module
Date: Mon, 28 Oct 2019 12:12:31 -0700 [thread overview]
Message-ID: <20191028191231.GJ125958@google.com> (raw)
In-Reply-To: <20191025234834.28214-2-john.stultz@linaro.org>
On Fri, Oct 25, 2019 at 11:48:33PM +0000, John Stultz wrote:
> From: Sandeep Patil <sspatil@google.com>
>
> Export cma_get_name, cma_alloc, cma_release, cma_for_each_area
> and dma_contiguous_default_area so that we can use these from
> the dmabuf cma heap when it is built as module.
>
> Cc: Laura Abbott <labbott@redhat.com>
> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
> Cc: Sumit Semwal <sumit.semwal@linaro.org>
> Cc: Liam Mark <lmark@codeaurora.org>
> Cc: Pratik Patel <pratikp@codeaurora.org>
> Cc: Brian Starkey <Brian.Starkey@arm.com>
> Cc: Andrew F. Davis <afd@ti.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Yue Hu <huyue2@yulong.com>
> Cc: Mike Rapoport <rppt@linux.ibm.com>
> Cc: Chenbo Feng <fengc@google.com>
> Cc: Alistair Strachan <astrachan@google.com>
> Cc: Sandeep Patil <sspatil@google.com>
> Cc: Hridya Valsaraju <hridya@google.com>
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Sandeep Patil <sspatil@google.com>
> [jstultz: Rewrote commit message, added
> dma_contiguous_default_area to the set of exported symbols]
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
> kernel/dma/contiguous.c | 1 +
> mm/cma.c | 5 +++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
> index 69cfb4345388..ff6cba63ea6f 100644
> --- a/kernel/dma/contiguous.c
> +++ b/kernel/dma/contiguous.c
> @@ -31,6 +31,7 @@
> #endif
>
> struct cma *dma_contiguous_default_area;
> +EXPORT_SYMBOL(dma_contiguous_default_area);
I didn't need to do this for the (out-of-tree) ion cma heap [1].
Any reason why you had to?
Other than that, thanks for doing this John.
Acked-by: Sandeep Patil <sspatil@google.com>
- ssp
1] https://android-review.googlesource.com/c/kernel/common/+/1121591
next prev parent reply other threads:[~2019-10-28 19:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-25 23:48 [RFC][PATCH 0/2] Allow DMA BUF heaps to be loaded as modules John Stultz
2019-10-25 23:48 ` [RFC][PATCH 1/2] mm: cma: Export cma symbols for cma heap as a module John Stultz
2019-10-28 7:46 ` Christoph Hellwig
2019-10-28 18:39 ` John Stultz
2019-10-28 22:23 ` John Stultz
2019-10-28 19:12 ` sspatil [this message]
2019-10-28 20:03 ` John Stultz
2019-10-28 22:26 ` John Stultz
2019-10-25 23:48 ` [RFC][PATCH 2/2] dma-buf: heaps: Allow system & cma heaps to be configured as a modules John Stultz
2019-11-04 9:45 ` Brian Starkey
2019-11-04 10:24 ` Daniel Vetter
2019-11-04 19:00 ` John Stultz
2019-11-04 9:58 ` [RFC][PATCH 0/2] Allow DMA BUF heaps to be loaded as modules Daniel Vetter
2019-11-04 18:57 ` John Stultz
2019-11-05 9:42 ` Daniel Vetter
2019-11-05 13:30 ` Andrew F. Davis
2019-11-05 13:58 ` Daniel Vetter
2019-11-05 17:41 ` John Stultz
2019-11-05 19:18 ` Daniel Vetter
2019-11-05 19:47 ` John Stultz
2019-11-05 20:21 ` Daniel Vetter
2019-11-12 0:56 ` Sandeep Patil
2019-11-12 0:49 ` Sandeep Patil
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