On Mon, 8 August 2005 12:05:25 +0200, Arjan van de Ven wrote:
> On Mon, 2005-08-08 at 17:57 +0800, David Teigland wrote:
> > >
> > > Please drop the extra braces.
> >
> > Here and elsewhere we try to keep unused stuff off the stack. Are you
> > suggesting that we're being overly cautious, or do you just dislike the
> > way it looks?
>
> nice theory. In practice gcc 3.x still adds up all the stack space
> anyway and as long as gcc 3.x is a supported kernel compiler, you can't
> depend on this. Also.. please favor readability. gcc is getting smarter
> about stack use nowadays, and {}'s shouldn't be needed to help it, it
> tracks liveness of variables already.
Plus, you don't have to guess about stack usage. Run "make
checkstack" or, better yet, run the objdump of fs/gfs/built-in.o
through the perl script.
Jörn
--
It's just what we asked for, but not what we want!
-- anonymous
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