Re: CVS commit: [matt-nb5-mips64] src/sys/arch/mips

[David Laight <david%l8s.co.uk@localhost>]

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: david%l8s.co.uk@localhost