parisc: Changes to ref refs/heads/master

New commits:
commit 378fe7c4cc619b561409206605c723c05358edac

Author: Kyle McMartin <[email protected]>
Date:   Mon Dec 22 21:59:01 2008 -0500

parisc: disable UP-optimized flush_tlb_mm

flush_tlb_mm's "optimized" uniprocessor case of allocating a new context for userspace is exposing a race where we can suddely return to a syscall with the protection id and space id out of sync, trapping on the next userspace access.