Re: [patch] SMP alternatives

[Daniel Jacobowitz]

On Wed, Nov 23, 2005 at 03:59:52PM -0800, Linus Torvalds wrote:
> On Wed, 23 Nov 2005, Daniel Jacobowitz wrote:
> > 
> > Those are the wrong ways of doing this in userspace.  There are right
> > ways.  For instance, tag the binary at link time "single-threaded". 
> 
> And I mentioned exactly this. It's my third alternative.
> 
> And it doesn't work well, exactly because developers don't know if the 
> libraries they use are always single-threaded etc. More importantly, it 
> just doesn't happen that much. People do "make ; make install". Hopefully 
> from pretty standard sources. Having to tweak things so that a project 
> compiles with a magic flag on a particular distribution is simply not done 
> very much.

But distributors (Debian included) do this all the time :-)

I'd even volunteer to get it done and pushed out and in use, if I was
as convinced of the benefits.  For most applications, though, I'm still
sceptical.

-- 
Daniel Jacobowitz
CodeSourcery, LLC
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