From: Randy Dunlap <rdunlap@infradead.org>
To: John Stultz <john.stultz@linaro.org>,
lkml <linux-kernel@vger.kernel.org>
Cc: "Andrew F. Davis" <afd@ti.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>,
Vincent Donnefort <Vincent.Donnefort@arm.com>,
Sudipto Paul <Sudipto.Paul@arm.com>,
Christoph Hellwig <hch@infradead.org>,
Chenbo Feng <fengc@google.com>,
Alistair Strachan <astrachan@google.com>,
Hridya Valsaraju <hridya@google.com>,
Hillf Danton <hdanton@sina.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v10 1/5] dma-buf: Add dma-buf heaps framework
Date: Mon, 7 Oct 2019 14:21:29 -0700 [thread overview]
Message-ID: <ad064efe-4d86-3b81-ace2-152e90c72e94@infradead.org> (raw)
In-Reply-To: <20191007211830.42838-2-john.stultz@linaro.org>
On 10/7/19 2:18 PM, John Stultz wrote:
> diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
> index a23b6752d11a..6e9c7c4d7447 100644
> --- a/drivers/dma-buf/Kconfig
> +++ b/drivers/dma-buf/Kconfig
> @@ -44,4 +44,13 @@ config DMABUF_SELFTESTS
> default n
> depends on DMA_SHARED_BUFFER
>
> +menuconfig DMABUF_HEAPS
> + bool "DMA-BUF Userland Memory Heaps"
> + select DMA_SHARED_BUFFER
> + help
> + Choose this option to enable the DMA-BUF userland memory heaps,
heaps.
> + this options creates per heap chardevs in /dev/dma_heap/ which
This
> + allows userspace to use to allocate dma-bufs that can be shared
?? to allocate & use
> + between drivers.
> +
> endmenu
--
~Randy
next prev parent reply other threads:[~2019-10-07 21:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 21:18 [PATCH v10 0/5] DMA-BUF Heaps (destaging ION) John Stultz
2019-10-07 21:18 ` [PATCH v10 1/5] dma-buf: Add dma-buf heaps framework John Stultz
2019-10-07 21:21 ` Randy Dunlap [this message]
2019-10-07 21:27 ` John Stultz
2019-10-07 21:18 ` [PATCH v10 2/5] dma-buf: heaps: Add heap helpers John Stultz
2019-10-07 21:18 ` [PATCH v10 3/5] dma-buf: heaps: Add system heap to dmabuf heaps John Stultz
2019-10-07 21:18 ` [PATCH v10 4/5] dma-buf: heaps: Add CMA " John Stultz
2019-10-07 21:18 ` [PATCH v10 5/5] kselftests: Add dma-heap test John Stultz
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