From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-mm@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>,
linux-ia64@vger.kernel.org, Marcelo Tosatti <marcelo@kvack.org>,
Arjan van de Ven <arjan@infradead.org>,
Martin Bligh <mbligh@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andi Kleen <ak@suse.de>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
Date: Tue, 19 Sep 2006 10:03:32 +0200 [thread overview]
Message-ID: <1158653012.17979.2.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.64.0609181027440.19312@schroedinger.engr.sgi.com>
On Mon, 2006-09-18 at 10:28 -0700, Christoph Lameter wrote:
> > s390 needs ZONE_DMA for the memory area below 2GB. That is required for
> > the control structure of channel based I/O. It is not ISA but
> > conceptually related. Can we rename GENERIC_ISA_DMA into GENERIC_IO_DMA
> > or something similar?
>
> The patchset defines CONFIG_ZONE_DMA for s390 so you are fine.
Ok, I've looked at the patch and defining ZONE_DMA is the
straightforward solution. No need to make detours over GENERIC_ISA_DMA.
--
blue skies,
Martin.
Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH
"Reality continues to ruin my life." - Calvin.
WARNING: multiple messages have this Message-ID (diff)
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-mm@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>,
linux-ia64@vger.kernel.org, Marcelo Tosatti <marcelo@kvack.org>,
Arjan van de Ven <arjan@infradead.org>,
Martin Bligh <mbligh@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andi Kleen <ak@suse.de>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 2/6] Introduce CONFIG_ZONE_DMA
Date: Tue, 19 Sep 2006 08:03:32 +0000 [thread overview]
Message-ID: <1158653012.17979.2.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.64.0609181027440.19312@schroedinger.engr.sgi.com>
On Mon, 2006-09-18 at 10:28 -0700, Christoph Lameter wrote:
> > s390 needs ZONE_DMA for the memory area below 2GB. That is required for
> > the control structure of channel based I/O. It is not ISA but
> > conceptually related. Can we rename GENERIC_ISA_DMA into GENERIC_IO_DMA
> > or something similar?
>
> The patchset defines CONFIG_ZONE_DMA for s390 so you are fine.
Ok, I've looked at the patch and defining ZONE_DMA is the
straightforward solution. No need to make detours over GENERIC_ISA_DMA.
--
blue skies,
Martin.
Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2006-09-19 8:03 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-18 18:36 [PATCH 0/8] Optional ZONE_DMA V2 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-11 22:27 ` [PATCH 0/8] Optional ZONE_DMA V1 Christoph Lameter
2006-09-11 22:27 ` [PATCH 2/6] Introduce CONFIG_ZONE_DMA Christoph Lameter
2006-09-18 13:55 ` Christoph Hellwig
2006-09-18 13:55 ` Christoph Hellwig
2006-09-18 14:08 ` Martin Schwidefsky
2006-09-18 14:08 ` Martin Schwidefsky
2006-09-18 17:28 ` Christoph Lameter
2006-09-18 17:28 ` Christoph Lameter
2006-09-19 8:03 ` Martin Schwidefsky [this message]
2006-09-19 8:03 ` Martin Schwidefsky
2006-09-18 14:42 ` Russell King
2006-09-18 14:42 ` Russell King
2006-09-18 14:58 ` James Bottomley
2006-09-18 14:58 ` James Bottomley
2006-09-18 17:30 ` Christoph Lameter
2006-09-18 17:30 ` Christoph Lameter
2006-09-18 15:22 ` Paul Mundt
2006-09-18 15:22 ` Paul Mundt
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 17:33 ` Christoph Lameter
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:45 ` Paul Mundt
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 22:58 ` Christoph Lameter
2006-09-18 23:25 ` Paul Mundt
2006-09-18 23:25 ` Paul Mundt
2006-09-18 23:25 ` Paul Mundt
2006-09-11 22:27 ` [PATCH 3/6] Optional ZONE_DMA in the VM Christoph Lameter
2006-09-12 0:35 ` Nick Piggin
2006-09-12 1:40 ` Christoph Lameter
2006-09-12 1:40 ` Christoph Lameter
2006-09-12 2:40 ` Nick Piggin
2006-09-12 7:22 ` Andi Kleen
2006-09-12 8:30 ` Jes Sorensen
2006-09-12 9:12 ` Jes Sorensen
2006-09-12 18:05 ` Christoph Lameter
2006-09-12 7:30 ` [PATCH 0/8] Optional ZONE_DMA V1 Arjan van de Ven
2006-09-12 13:34 ` Jack Steiner
2006-09-12 17:25 ` Christoph Lameter
2006-09-12 17:33 ` Christoph Lameter
2006-09-12 17:47 ` Martin Bligh
2006-09-12 17:47 ` Martin Bligh
2006-09-12 17:53 ` Christoph Lameter
2006-09-12 17:53 ` Christoph Lameter
2006-09-12 17:40 ` Martin Bligh
2006-09-13 2:41 ` Nick Piggin
2006-09-13 7:55 ` Jes Sorensen
2006-09-13 7:57 ` Jes Sorensen
2006-09-13 8:10 ` Christoph Lameter
2006-09-13 9:52 ` Jes Sorensen
2006-09-13 17:23 ` Christoph Lameter
2006-09-13 17:23 ` Christoph Lameter
2006-09-13 17:49 ` Jack Steiner
2006-09-13 17:49 ` Jack Steiner
2006-09-13 18:00 ` Christoph Lameter
2006-09-13 18:00 ` Christoph Lameter
2006-09-14 8:52 ` Jes Sorensen
2006-09-14 8:52 ` Jes Sorensen
2006-09-14 16:55 ` Christoph Lameter
2006-09-14 16:55 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 1/8] Deal with cases of ZONE_DMA meaning the first zone Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 2/8] Introduce CONFIG_ZONE_DMA Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 3/8] Optional ZONE_DMA in the VM Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 4/8] Optional ZONE_DMA for i386 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 5/8] Optional ZONE_DMA for x86_64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 6/8] Optional ZONE_DMA for ia64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 7/8] Remove ZONE_DMA remains from parisc Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
2006-09-18 18:36 ` [PATCH 8/8] Remove ZONE_DMA remains from sh/sh64 Christoph Lameter
2006-09-18 18:36 ` Christoph Lameter
-- strict thread matches above, loose matches on Subject: below --
2006-09-11 22:30 [PATCH 0/8] Optional ZONE_DMA V1 Christoph Lameter
2006-09-11 22:30 ` [PATCH 2/6] Introduce CONFIG_ZONE_DMA Christoph Lameter
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