Re: [PATCH] fast path for rdhwr emulation for TLS

["Maciej W. Rozycki" <macro@linux-mips.org>]

On Mon, 11 Sep 2006, Atsushi Nemoto wrote:

> >  What's wrong with just letting a TLB fault happen?
> 
> It might add a little overhead to usual TLB refill handling.  The
> overhead might be neglectable, but I'm not sure.

 There is no need to change the refill handler -- only the general TLBL 
exception has to be modified.  And this one may be not too critical -- the 
change required is in the path to mark pages accessed.  Is the path 
frequent enough to seek a complex solution while a simple one would just 
work?

  Maciej