From: Jesse Barnes <jbarnes@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] Re: PCI DAC routines for SN
Date: Thu, 25 Apr 2002 00:36:52 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905522@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905493@msgid-missing>
On Wed, Apr 24, 2002 at 05:17:32PM -0700, David S. Miller wrote:
> Reread what I've quoted, these cards use almost nothing.
>
> Consistent allocations account for maybe %2 to %6 of the total IOMMU
> mappings on a fully loaded sparc64 bus. It doesn't even show up on
> the radar.
>
> I've rolled the numbers before, I know it isn't a problem.
Ok, so there's no performance argument against adding the call.
You're just saying that since there are enough 32 bit mappings to go
around, using 64 bit mappings is silly. Right?
Jesse
next prev parent reply other threads:[~2002-04-25 0:36 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-22 22:34 [Linux-ia64] Re: PCI DAC routines for SN David Mosberger
2002-04-22 22:39 ` Jesse Barnes
2002-04-22 23:07 ` David Mosberger
2002-04-22 23:40 ` Jesse Barnes
2002-04-23 1:34 ` Grant Grundler
2002-04-23 21:11 ` Grant Grundler
2002-04-24 4:04 ` David S. Miller
2002-04-24 5:49 ` Jesse Barnes
2002-04-24 5:50 ` David S. Miller
2002-04-24 16:13 ` Grant Grundler
2002-04-24 17:39 ` David S. Miller
2002-04-24 17:40 ` David S. Miller
2002-04-24 19:45 ` Jesse Barnes
2002-04-24 23:13 ` Jesse Barnes
2002-04-24 23:53 ` David S. Miller
2002-04-25 0:08 ` David S. Miller
2002-04-25 0:11 ` Jesse Barnes
2002-04-25 0:17 ` David S. Miller
2002-04-25 0:21 ` Jesse Barnes
2002-04-25 0:36 ` Jesse Barnes [this message]
2002-04-25 0:43 ` David S. Miller
2002-04-25 1:00 ` David S. Miller
2002-04-25 1:01 ` Jesse Barnes
2002-04-25 1:22 ` Jesse Barnes
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