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?
> CONFIG_CC_STACKPROTECTOR_ALL=y
> CONFIG_CC_STACKPROTECTOR=y
>
> Should we bugreport this agains src:linux2.6 ?
I think so.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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