If you need inv_all here, you have a bug elsewhere...
I agree, I'm just trying to corner the beast :)
Ok, this seems to work, its pretty solid, so somehow our
invalidation logic is sufficient for network but not disk
activity. One theory is that disk uses short lived TCE entries and
not batching as network does.
So we have a workaround and later we can investigate the single
Do you map the DART table as M=1 or M=0? U3 should use M=0
(and needs logic to flush the data to main memory), while U4
should use M=1...
Xen-ppc-devel mailing list