On Wed 2017-01-25 12:21:05, Laura Abbott wrote: > On 01/19/2017 08:53 AM, Pavel Machek wrote: > >On Wed 2017-01-18 17:29:05, Laura Abbott wrote: > >> > >>Despite the word 'debug' in CONFIG_DEBUG_RODATA, this kernel option > >>provides key security features that are to be expected on a modern > >>system. Change the name to CONFIG_HARDENED_PAGE_MAPPINGS which more > >>accurately describes what this option is intended to do. > > > >I think this is bad change. CONFIG_DEBUG_RODATA is describing what it > >does, CONFIG_HARDENED_PAGE_MAPPINGS is advertising. > > > >We don't do advertising, and we don't force people to re-answer the > >config questions without good reason. > > > >CONFIG_HARDENED_RODATA might fix the first problem, but not the second > >one. > > > > Pavel > > > > (Apologies, my SMTP was set up incorrectly so my response didn't > actually get sent out) > > CONFIG_DEBUG_RODATA isn't describing what it does though. It misses > that this config may handle much more than just rodata. I think > Mark Rutland's suggestion of STRICT_KERNEL_RWX might be more > descriptive. CONFIG_BUG=y CONFIG_LBDAF=y CONFIG_PM_OPP=y ..it is config option. It is not description of the feature. People are living with that config option for a while. I'd keep it. Maybe you can go from CONFIG_DEBUG_RODATA to CONFIG_RODATA... (but you'll still have people re-answer config option.) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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