This patch reworks the way we do I and D cache coherency on PowerPC.
The old way was split in 3 different parts depending on the processor type:
- Hash with per-page exec support (64-bit and = POWER4 only) does it
at hashing time, by preventing exec on unclean pages and cleaning pages
on exec
On Jan 29, 2009, at 8:26 PM, Benjamin Herrenschmidt wrote:
Index: linux-work/arch/powerpc/include/asm/pgtable-ppc64.h
===
--- linux-work.orig/arch/powerpc/include/asm/pgtable-ppc64.h
2009-01-28 16:00:26.0 +1100
+++
