From: Jeff Garzik <jgarzik@pobox.com>
To: Andriy Korud <a.korud@vector.com.pl>
Cc: netdev@oss.sgi.com, prism54-private@prism54.org
Subject: Re: PCI fix for some platforms
Date: Wed, 30 Jun 2004 05:01:41 -0400 [thread overview]
Message-ID: <40E28175.7090403@pobox.com> (raw)
In-Reply-To: <80908CC5B2C9DB47AAF8C77892FCB44315F7C9@lion.vector.com.pl>
Andriy Korud wrote:
> Hi,
> i've noticed that on some platforms (noticed on PPC/XScale embedded) PCI cacheline size is not initialized properly and therefore card uses slow "PCI read memory" command instead of optimal "PCI read memory line", which cause serious bendwidth limitations in case of 3+ cards on single PCI bus.
>
> Attached patch that fix this issue - please merge review.
See pci_set_mwi()
Jeff
prev parent reply other threads:[~2004-06-30 9:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 8:52 PCI fix for some platforms Andriy Korud
2004-06-30 9:01 ` Jeff Garzik [this message]
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