linux-kernel - Re: prioritize PCI traffic ?

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Message-id: <45AB8E9F.9020901@shaw.ca>
Date:	Mon, 15 Jan 2007 08:24:31 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Soeren Sonnenburg <kernel@....de>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: prioritize PCI traffic ?

Soeren Sonnenburg wrote:
> Dear all,
> 
> is it possible to explicitly tell the kernel to prioritize PCI traffic
> for a number of cards in pci slots x,y,z ?
> 
> I am asking as severe ide traffic causes lost frames when watching TV
> using 2 DVB cards + vdr... This is simply due to the fact that the PCI
> bus is saturated...
> 
> So, is any prioritizing of the PCI bus possible ?

That would be chipset dependent. Some chipsets may be able to assign 
different arbitration priorities to different slots, but certainly you 
can't do this generically..

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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