Re: RFC: i386: kill !4KSTACKS

From: Horst von Brand
Date: Tue Jul 05 2005 - 08:52:21 EST


Denis Vlasenko <vda@xxxxxxxxxxxxx> wrote:
> > > > > NB: gcc 3.4.3 can use excessive stack in degenerate cases, so please
> > > > > include gcc version in your reports.
> > > >
> > > > But this can't occur in the kernel.
> > >
> > > It can. I saw the OOPS myself.
> > > One of the functions in crypto/wp512.c was compiled with 3k+ stack usage.
> >
> > Strange that "make checkstack" didn't show this.
>
> It happens with certain gcc versions only.

Which ones, exactly? If they break this way, a workaround (or forbidding
them) would be the way to go...
--
Dr. Horst H. von Brand User #22616 counter.li.org
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