[parisc-linux] flush_tlb_all_local:

[Grant Grundler]

On Sun, Oct 12, 2003 at 09:12:58PM -0600, Grant Grundler wrote:
> On Sun, Oct 12, 2003 at 04:07:50PM +0000, Joel Soete wrote:
> > Why twice 'mtctl   %r0, %cr17'?
> 
> Good question. No clue. Looks like a brain fart since clearing it
>  once should work unless there's a weird bug. I'll remove it.

definitely not a brainfart. Read PA2.0 arch book (section 2) where
it talks about cr17/cr18. CR17 is two registers and writing it twice
clear both head/tail of the IIAS. Just like cr18 is also written twice.

sorry for not catching that the first time around.
grant