On Thu, 2016-11-10 at 09:58 +0100, Borislav Petkov wrote: > On Wed, Nov 09, 2016 at 07:24:43PM -0800, Ricardo Neri wrote: > > I intended this feature to be configurable at build time in case someone > > wants to build a kernel without it; similar to other features such as > > SMAP. Is this not needed? Should Linux be built with this feature always > > enabled? > > > > This feature could always be disabled via a kernel parameter, though; > > even if Linux is built with it. > > It probably is a good idea to have it build-time configurable for the > embedded folks. But you can do a before and after build and look at > the vmlinux size and see how much it has grown. If it is only a couple > of KBs I guess we can drop the config option even but I know there are > people who still care about KBs too... Thanks for the suggestions. Perhaps I can include these metrics in my V2. On th other hand, Dave Hansen gave a good argument on potential conflicts when, of instance running on an AMD CPU. UMIP is enabled by setting a bit in CR4. If that bit is not supposed to be set, that could cause a #GP fault. Thanks and BR, Ricardo > > -- > Regards/Gruss, > Boris. > > SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
