Re: MSI to memory?

[Rajesh Shah]

On Wed, Jul 07, 2004 at 02:31:47PM +0200, Davide Rossetti wrote:
> Rajesh Shah wrote:
> 
> > What type of usage model did you have in mind to have the
> >
> >device write to memory instead of using MSI for interrupts?
> >  
> >
> for instance for a fast wake-up trick. the driver loops on a memory 
> location until the MSI write access changes the memory content...
> 
But you don't need to use MSI address/data pair for this. Devices 
can do "regular" memory writes to indicate command completion etc.
into driver allocated memory.

Rajesh
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