MSR_SPE - being turned off...

[Kumar Gala]

On May 4, 2009, at 5:25 PM, Morrison, Tom wrote:

> I have both a MPC8548 SBC and MPC8572 system that are running  
> different flavors of the
> same Linux – 2.6.23.
>
> I explicitly am turning it on very early on. Later, I have an  
> application that is compiled
> with SPE instructions (e.g.: evstdd) , and there is where the  
> problems happen. If I explicitly
> make sure there are NO SPE instructions in the application, nothing  
> bad happens!
>
> I am polling the MSR – and it seems the SPE is turned OFF?
>
> What have I done wrong and/or has there been fixes in later kernels  
> that I should be aware of that might help this issue?

Can you explain what you mean by explicitly am turning it on very  
early on.

I can't think of anything that has changed w/regards to SPE handling.

- k