linux-kernel - Re: UIO and memory from dma_alloc_coherent

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Date:	Mon, 17 Feb 2014 19:32:10 +0100
From:	Stanislav Meduna <stano@...una.org>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	hjk@...sjkoch.de
Subject: Re: UIO and memory from dma_alloc_coherent - UIO_MEM_PHYS?

On 17.02.2014 19:18, Greg KH wrote:

> The uio_dmem_genirq.c driver showed up in 3.8, so it might be good for
> you to update your kernel if you want to do DMA memory with a UIO
> driver, as lots of other things in this area was fixed to accomplish
> this.

Ah, OK, I will look into this.

I am stuck with 3.4 at the moment because of the real-time patches
and some semantic changes there in the newer kernels necessitating
much more tweak-and-test time than I currently have...

Thanks
-- 
                                      Stano

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