[RFC/PATCH] powerpc: MPC7450 L2 HW cache flush feature utilization

Segher Boessenkool segher at kernel.crashing.org
Sun Jun 24 01:46:01 EST 2007


> Note that 745x processors have L3 cache installed and may have the same
> problem requiring similar code modifications to use L3 hardware 
> flushing
> mechanism.

What does the erratum say?

The L3 is a very different beast from the L2, IIRC it is
a pure victim cache so it cannot have this problem at all?


Segher




More information about the Linuxppc-dev mailing list