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Date: Tue, 19 Oct 2010 12:37:35 -0700
From: Greg KH <greg@kroah.com>
To: Valdis.Kletnieks@vt.edu
Cc: Dave Airlie <airlied@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
        codalist@telemann.coda.cs.cmu.edu,
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Subject: Re: [Ksummit-2010-discuss] [v2] Remaining BKL users, what to do
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On Tue, Oct 19, 2010 at 02:24:53PM -0400, Valdis.Kletnieks@vt.edu wrote:
> On Mon, 18 Oct 2010 17:40:04 PDT, Greg KH said:
> 
> > I do have access to this hardware, but its on an old single processor
> > laptop, so any work that it would take to help do this development,
> > really wouldn't be able to be tested to be valid at all.
> 
> The i810 is a graphics chipset embedded on the memory controller, which
> was designed for the Intel Pentium II, Pentium III, and Celeron CPUs.  Page 8
> of the datasheet specifically says:
> 
> Processor/Host Bus Support
> - Optimized for the Intel Pentium II processor, Intel Pentium III processor, and Intel
> CeleronTM processor
> - Supports processor 370-Pin Socket and SC242
> connectors
> - Supports 32-Bit System Bus Addressing
> - 4 deep in-order queue; 4 or 1 deep request queue
> - Supports Uni-processor systems only
> 
> So no need to clean it up for multiprocessor support.
> 
> http://download.intel.com/design/chipsets/datashts/29067602.pdf
> http://www.intel.com/design/chipsets/specupdt/29069403.pdf

Great, we can just drop all calls to lock_kernel() and the like in the
driver and be done with it, right?

thanks,

greg k-h