Re: Switch on compiler hardening defaults
On Thu, 29 Oct 2009, Christoph Anton Mitterer wrote:
> On Tue, 2009-10-27 at 22:19 -0200, Henrique de Moraes Holschuh wrote:
> > Well, the issue raised in LKML is that you absolutely should *not* enable
> > -fstack-protector-all unless you _really_ know what you're doing, and most
> > certainly not by default. It has nothing to do with -fstack-protector, just
> > with -fstack-protector-all. But it does show that extra stack usage CAN
> > have bad effects on performance in pathological cases (which -all seems
> > to cause more readly :-p ).
> Isn't this what they've done starting with the 2.6.31 debian packages?
> Should we bugreport this agains src:linux2.6 ?
I think so.
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