On Mon, 13 Oct 2008, Scott Wood wrote: > On Mon, Oct 13, 2008 at 08:05:09PM +0200, Guennadi Liakhovetski wrote: > > On Mon, 13 Oct 2008, Rogério Brito wrote: > > > > > The current defconfig for Linkstation/Kuroboxes has the "Disable Heap > > > Randomization" option enabled. > > > > > > Since some of these machines are facing the internet, it helps to have > > > heap randomization enabled. This patch enables it. > > > > Same as the previous patch - this is one of options, that users select > > according to their needs. If any specific distribution enables this option > > by default in their kernels, they can do this too, don't think this is > > critical enough to patch the defconfig. > > Just because users/distros can change it doesn't mean it's pointless to > discuss what default is sane, and make changes if the current default > isn't. > > For security-related options it's usually best to default to the more > secure state, especially since the option description talks about it > being needed mainly for libc5 compatibility -- did libc5 ever even exist > for powerpc?
In a 2.6.27-rc5-ish snapshot I counted 68 enabled and 11 disabled CONFIG_COMPAT_BRK under arch/powerpc/configs/. Ok, enabling it for all would be a bit rude, and one has to start somewhere... > The only reason it was turned on in the first place was likely the > "default y", which in turn is there to avoid breaking old x86 distros. Then maybe it would be better to make default y only for some platforms? Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
