From: Brice Goglin <brice@myri.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Anton Blanchard <anton@samba.org>,
netdev@vger.kernel.org, gallatin@myri.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] myri10ge - Driver core
Date: Thu, 25 May 2006 11:07:44 +0200 [thread overview]
Message-ID: <447573E0.6000108@myri.com> (raw)
In-Reply-To: <1148543942.13249.268.camel@localhost.localdomain>
Benjamin Herrenschmidt wrote:
> On Wed, 2006-05-24 at 10:04 +0200, Brice Goglin wrote:
>
>
>> I am not sure what you mean.
>> The only ppc64 with PCI-E that we have seen so far (a G5) couldn't do
>> write combining according to Apple.
>>
>
> That is not 100% true.... I don't know what apple had in mind. It also
> depends in what slot you are.
>
> Do you have ways to measure the difference ?
>
No, we don't have any PPC with PCIe running Linux. The only G5 PCIe that
we have is running MacOSX.
> Try doing __ioremap(mgp->iomem_base, mgp->board_span, _PAGE_NO_CACHE);
> instead of using the normal ioremap for #ifdef powerpc and tell us if it
> makes a difference.
>
I'll try it as soon as we get our G5 PCIe to run Linux.
thanks,
Brice
next prev parent reply other threads:[~2006-05-25 9:07 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-17 22:02 [PATCH 0/4] myri10ge - Myri-10G Ethernet driver - v2 Brice Goglin
2006-05-17 22:03 ` [PATCH 1/4] myri10ge - Revive pci_find_ext_capability Brice Goglin
2006-05-17 22:04 ` [PATCH 2/4] myri10ge - Driver header files Brice Goglin
2006-05-17 22:28 ` Randy.Dunlap
2006-05-18 23:36 ` Brice Goglin
2006-05-17 22:06 ` [PATCH 3/4] myri10ge - Driver core Brice Goglin
2006-05-17 22:36 ` Roland Dreier
2006-05-18 23:38 ` Brice Goglin
2006-05-17 23:08 ` Arnd Bergmann
2006-05-18 23:56 ` Brice Goglin
2006-05-19 1:55 ` Arnd Bergmann
2006-05-19 2:25 ` Brice Goglin
2006-05-19 10:00 ` Arnd Bergmann
2006-05-19 11:09 ` Andi Kleen
2006-05-19 15:48 ` Brice Goglin
2006-05-20 7:58 ` Brice Goglin
2006-05-19 14:39 ` Brice Goglin
2006-05-19 23:15 ` Brice Goglin
2006-05-20 0:01 ` Andi Kleen
2006-05-23 15:39 ` Anton Blanchard
2006-05-24 8:04 ` Brice Goglin
2006-05-24 21:21 ` Anton Blanchard
2006-05-25 7:59 ` Benjamin Herrenschmidt
2006-05-25 9:07 ` Brice Goglin [this message]
2006-05-25 7:56 ` Benjamin Herrenschmidt
2006-05-26 9:49 ` Ingo Oeser
2006-05-26 10:02 ` Benjamin Herrenschmidt
2006-05-26 10:30 ` Jeff Garzik
2006-05-26 10:56 ` Benjamin Herrenschmidt
2006-05-17 22:07 ` [PATCH 4/4] myri10ge - Kconfig and Makefile Brice Goglin
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