From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v4 08/24] C6X: memory management and DMA support Date: Tue, 04 Oct 2011 21:10:10 +0200 Message-ID: <2022911.6LdT5ms78P@wuerfel> References: <1317746641-26725-1-git-send-email-msalter@redhat.com> <1317746641-26725-9-git-send-email-msalter@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: Received: from moutng.kundenserver.de ([212.227.17.8]:54499 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932820Ab1JDTKW (ORCPT ); Tue, 4 Oct 2011 15:10:22 -0400 In-Reply-To: <1317746641-26725-9-git-send-email-msalter@redhat.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Mark Salter Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Aurelien Jacquiot On Tuesday 04 October 2011 12:43:45 Mark Salter wrote: > From: Aurelien Jacquiot > > Original port to early 2.6 kernel using TI COFF toolchain. > Brought up to date by Mark Salter > > The C6X architecture currently lacks an MMU so memory management is relatively > simple. There is no bus snooping between L2 and main memory but coherent DMA > memory is supported by making regions of main memory uncached. If such a region > is desired, it can be specified on the commandline with a "memdma=" argument. > > Signed-off-by: Aurelien Jacquiot > Signed-off-by: Mark Salter > CC: Arnd Bergmann Acked-by: Arnd Bergmann