Re: CVS commit: src/sys/dev/pci

[David Young <dyoung%pobox.com@localhost>]

On Mon, Dec 12, 2011 at 03:54:57PM +1100, matthew green wrote:
> 
> > On Mon, Dec 12, 2011 at 02:44:15AM +0000, Jonathan A. Kollasch wrote:
> > > Module Name:      src
> > > Committed By:     jakllsch
> > > Date:             Mon Dec 12 02:44:15 UTC 2011
> > > 
> > > Modified Files:
> > >   src/sys/dev/pci: if_sip.c
> > > 
> > > Log Message:
> > > Using BUS_DMA_NOCACHE for bus_dmamem_map() causes issues on (at least) 
> > > sparc64.
> > 
> > What kind of issues?
> 
> this is maping normal memory uncached.  attempting to access this
> mapping causes data faults.

Jonathan, please add some explanation to the commit message.

Isn't this just covering a bug in the sparc64 bus_dma(9) implementation?

Dave

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David Young
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