On Wed, Jun 05, 2002 at 10:02:39AM +1000, David Gibson wrote: > > On Tue, Jun 04, 2002 at 09:57:20AM -0700, Matt Porter wrote: > > > > On Tue, Jun 04, 2002 at 10:54:51PM +1000, Paul Mackerras wrote: > > > > > > Looks like Ben and I have found the problem; Ben added an isync and a > > > sync to set_context() after setting the PID register and that seems to > > > have fixed it. It makes sense, as isync invalidates the shadow DTLB > > > and ITLB. (The sync may be unnecessary.) > > > > Makes sense, I was telling some folks at work that it had to be a > > 40x specific code problem. The 440 has had an isync in set_context() > > and doesn't see this problem (and by default uses pinned TLBs). > > Heh, well not only uses them by default, but must use them since > translation is always on.
Heh, I should have said, "and by design, must use . . .". ;) Regards, -- Matt Porter porter at cox.net This is Linux Country. On a quiet night, you can hear Windows reboot. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
