CVSROOT: /cvs
Module name: src
Changes by: m...@cvs.openbsd.org 2014/07/17 13:51:58
Modified files:
sys/arch/sgi/sgi: bus_dma.c ip22.h ip22_machdep.c
Log message:
Rework management of the external L2 cache on the few Indy/Indigo2 systems
which have it.
Instead of implementing external L2 maintainance at the cache routine level,
let bus_dmamap_sync(9) know about the possible existence of an external L2,
and invoke a dedicated routine to perform the necessary cache operations.
This way, the external L2 dmamap_sync function pointer can get invoked with
the physical address to operate on; this saves the pmap_extract() calls the
previous cache routine had to do.
