From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Guillermo Marcus Martinez <marcus@ti.uni-mannheim.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mmaping a kernel buffer to user space
Date: Thu, 2 Nov 2006 08:31:09 +0000 [thread overview]
Message-ID: <20061102083109.GB1377@flint.arm.linux.org.uk> (raw)
In-Reply-To: <454899E9.1090900@ti.uni-mannheim.de>
On Wed, Nov 01, 2006 at 01:58:17PM +0100, Guillermo Marcus Martinez wrote:
> My suggestion would be to add two functions: pci_map_consistent() and
> dma_map_coherent() to address this issue, and their corresponding
> unmap's. That will make sure all that is needed is done, is a clean and
> consistent with the pci_ and dma_ APIs, and fills a mmap requirement not
> covered by the other functions.
You might want to look through include/asm-arm/dma-mapping.h to see if
an architecture already has considered that and the interface they
implemented.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-11-02 8:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-31 9:19 Guillermo Marcus
2006-10-31 16:00 ` Jiri Slaby
2006-10-31 16:25 ` Guillermo Marcus
2006-10-31 16:49 ` Jiri Slaby
2006-10-31 17:08 ` Franck Bui-Huu
2006-10-31 19:44 ` Miguel Ojeda
2006-10-31 19:22 ` Russell King
2006-10-31 19:36 ` Jiri Slaby
2006-10-31 16:10 ` Rolf Offermanns
2006-10-31 16:33 ` Guillermo Marcus
2006-11-01 11:11 ` Rolf Offermanns
2006-11-01 12:58 ` Guillermo Marcus Martinez
2006-11-01 14:00 ` yogeshwar sonawane
2006-11-01 15:06 ` Guillermo Marcus Martinez
2006-11-02 8:31 ` Russell King [this message]
2006-11-02 11:31 ` Guillermo Marcus
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