On Mon, Aug 06, 2001 at 09:50:14AM +0100, Dominic Sweetman wrote: > > Here is an patch to fix virtual aliasing problem with SysV IPC > > shared memory. I tested this patch on a r4k cpu with 32Kb D-cache. > > > > If D-cache is smaller than PAGE_SIZE this patch is not needed at > > all... > > More precisely, if the size of a D-cache "set" is smaller than > PAGE_SIZE. So a CPU with a 16Kbyte 4-way set-associative cache and > 4Kbyte PAGE_SIZE is safe. Or is physically indexed and physically tagged or magically deals with aliasing such as R4000 / R4400 SC and MC versions or R10000, R12000 or R14000. Ralf
