On Thu, Feb 25, 2010 at 05:53:23AM +0000, Matt Thomas wrote:
>
> Log Message:
> Make the UP and MP ASID allocation algorithm common. Significantly improve
> the algorithm. Now when we exhaust the ASIDs, interrogate the TLB for active
> ASIDS and release all the other for future allocations. This leaves the
> TLB entries with ASIDs valid avoiding the need to re-incur TLB misses for
> them.
I presume it is willing to kill some TLB entries if the above doesn't
find any (or enough) free ASIDs ?
Or is the ASID number space guaranteed to be significantly higher that
the number of TLBs ??
David
--
David Laight: da...@l8s.co.uk
