Re: Global page into user processes (was: Re: Patch to cache TLS in %fp7 to avoid _lwp_getprivate syscalls)

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Jan 18, 2012 at 01:02:22AM -0500, Matthew Mondor wrote:
> Since that doesn't already exist but appears at first glance rather
> simple to implement, is there a particular reason that makes this
> undesirable?

On platforms with SMP support, it often requires per-CPU mappings. This
makes context switching more expensive and/or costs memory. That doesn't
apply for M68K though.

Joerg