From: Yinghai Lu <yinghai@kernel.org>
To: Grant Grundler <grundler@parisc-linux.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH] pci: print out DMA mask info
Date: Thu, 09 Oct 2008 14:27:33 -0700 [thread overview]
Message-ID: <48EE7745.2020603@kernel.org> (raw)
In-Reply-To: <20081009211837.GC18444@colo.lackof.org>
Grant Grundler wrote:
> On Wed, Oct 08, 2008 at 04:02:23PM -0700, Yinghai Lu wrote:
>> so can find out what is DMA mask is used for pci devices in addition to
>> default setting.
>
> I like the idea. I don't like the additional boot time output.
>
> But I'm thinking this could be an option to lspci.
> lspci already knows about the /sys tree. Can PCI export the two masks
> (dma_mask and dma_consistent_mask) and something like "lspci -td"
> would dump those in a nice way?
>
in boot log, it could link with driver, pci info...
>
>> got:
>> aacraid 0000:86:00.0: using 32bit DMA mask
>> aacraid 0000:86:00.0: using 32bit consistent DMA mask
>> aacraid 0000:86:00.0: using 64bit DMA mask
>> aacraid 0000:86:00.0: using 64bit consistent DMA mask
and aacraid do 32bit at first then 64bit...
so put that in boot message could be useful too.
YH
next prev parent reply other threads:[~2008-10-09 21:30 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-08 23:02 [PATCH] pci: print out DMA mask info Yinghai Lu
2008-10-09 21:18 ` Grant Grundler
2008-10-09 21:27 ` Yinghai Lu [this message]
2008-10-09 21:35 ` Matthew Wilcox
2008-10-09 21:51 ` Yinghai Lu
2008-10-09 22:55 ` Grant Grundler
2008-10-09 23:05 ` Yinghai Lu
2008-10-10 2:40 ` FUJITA Tomonori
2008-10-10 4:56 ` Yinghai Lu
2008-10-10 6:08 ` FUJITA Tomonori
2008-10-10 6:32 ` Yinghai Lu
2008-10-10 7:32 ` FUJITA Tomonori
2008-10-12 7:16 ` Grant Grundler
2008-10-10 22:45 ` Grant Grundler
2008-10-14 6:50 ` FUJITA Tomonori
2008-10-12 7:11 ` Grant Grundler
2008-10-23 1:45 ` [PATCH] pci: show dma_mask bits in /sys Yinghai Lu
2008-10-23 3:28 ` Matthew Wilcox
2008-10-23 4:19 ` Yinghai Lu
2008-10-23 6:44 ` Grant Grundler
2008-10-23 8:38 ` Rolf Eike Beer
2008-10-23 15:39 ` Greg KH
2008-10-23 18:37 ` H. Peter Anvin
2008-10-23 19:36 ` Grant Grundler
2008-10-23 19:49 ` Greg KH
2008-10-24 10:50 ` Andi Kleen
2008-11-01 17:10 ` Grant Grundler
2008-10-23 6:48 ` Grant Grundler
2008-10-23 6:51 ` Yinghai Lu
2008-10-23 19:28 ` Grant Grundler
2008-10-10 2:40 ` [PATCH] pci: print out DMA mask info FUJITA Tomonori
2008-10-10 2:59 ` FUJITA Tomonori
2008-10-10 2:40 ` FUJITA Tomonori
2008-10-10 15:48 ` Jesse Barnes
2008-10-10 16:19 ` Yinghai Lu
2008-10-10 16:28 ` Jesse Barnes
2008-10-10 16:33 ` Matthew Wilcox
2008-10-10 16:46 ` Yinghai Lu
2008-10-10 17:12 ` Matthew Wilcox
2008-10-10 17:18 ` Roland Dreier
2008-10-12 7:38 ` Grant Grundler
2008-10-12 7:20 ` Grant Grundler
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