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From: Christoph Hellwig <hch@infradead.org>
To: John Stultz <john.stultz@linaro.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Sandeep Patil <sspatil@google.com>,
	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 00:46:42 -0700	[thread overview]
Message-ID: <20191028074642.GB31867@infradead.org> (raw)
In-Reply-To: <20191025234834.28214-2-john.stultz@linaro.org>

On Fri, Oct 25, 2019 at 11:48:33PM +0000, John Stultz wrote:
>  struct cma *dma_contiguous_default_area;
> +EXPORT_SYMBOL(dma_contiguous_default_area);

Please CC the dma maintainer.  And no, you have no business using this.

Even if you did, internals like this should always be EXPORT_SYMBOL_GPL.

  reply	other threads:[~2019-10-28  7:46 UTC|newest]

Thread overview: 45+ 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 ` John Stultz
2019-10-25 23:48 ` [RFC][PATCH 1/2] mm: cma: Export cma symbols for cma heap as a module John Stultz
2019-10-25 23:48   ` John Stultz
2019-10-28  7:46   ` Christoph Hellwig [this message]
2019-10-28 18:39     ` John Stultz
2019-10-28 18:39       ` John Stultz
2019-10-28 22:23       ` John Stultz
2019-10-28 22:23         ` John Stultz
2019-10-28 19:12   ` sspatil
2019-10-28 19:12     ` sspatil
2019-10-28 20:03     ` John Stultz
2019-10-28 20:03       ` John Stultz
2019-10-28 22:26       ` 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
2019-10-25 23:48   ` John Stultz
2019-11-04  9:45   ` Brian Starkey
2019-11-04  9:45     ` Brian Starkey
2019-11-04 10:24   ` Daniel Vetter
2019-11-04 10:24     ` Daniel Vetter
2019-11-04 19:00     ` John Stultz
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  9:58   ` Daniel Vetter
2019-11-04 18:57   ` John Stultz
2019-11-04 18:57     ` John Stultz
2019-11-05  9:42     ` Daniel Vetter
2019-11-05  9:42       ` Daniel Vetter
2019-11-05 13:30       ` Andrew F. Davis
2019-11-05 13:30         ` Andrew F. Davis
2019-11-05 13:58         ` Daniel Vetter
2019-11-05 13:58           ` Daniel Vetter
2019-11-05 17:41       ` John Stultz
2019-11-05 17:41         ` John Stultz
2019-11-05 19:18         ` Daniel Vetter
2019-11-05 19:18           ` Daniel Vetter
2019-11-05 19:47           ` John Stultz
2019-11-05 19:47             ` John Stultz
2019-11-05 20:21             ` Daniel Vetter
2019-11-05 20:21               ` Daniel Vetter
2019-11-12  0:56             ` Sandeep Patil
2019-11-12  0:56               ` Sandeep Patil
2019-11-12  0:49         ` Sandeep Patil
2019-11-12  0:49           ` Sandeep Patil

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