From: Stanislav Meduna <stano@meduna.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
hjk@hansjkoch.de
Subject: Re: UIO and memory from dma_alloc_coherent - UIO_MEM_PHYS?
Date: Mon, 17 Feb 2014 19:32:10 +0100 [thread overview]
Message-ID: <530255AA.2080905@meduna.org> (raw)
In-Reply-To: <20140217181854.GA7119@kroah.com>
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
next prev parent reply other threads:[~2014-02-17 18:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-17 18:06 UIO and memory from dma_alloc_coherent - UIO_MEM_PHYS? Stanislav Meduna
2014-02-17 18:18 ` Greg KH
2014-02-17 18:32 ` Stanislav Meduna [this message]
2014-02-17 19:18 ` Greg KH
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