On Sat, 2013-02-09 at 10:29 +0100, Borislav Petkov wrote: > On Fri, Feb 08, 2013 at 10:45:35PM -0800, Kees Cook wrote: > > Also, _reading_ MSRs from userspace arguably has utility that doesn't > > compromise ring-0. > > And to come back to the original question: what is that utility, who > would need it on a secure boot system and why? Things like Turbostat are useful, although perhaps that information should be exposed in a better way. ÿôèº{.nÇ+‰·Ÿ®‰­†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±þG«�éÿŠ{ayºʇڙë,j­¢f£¢·hš�ï�êÿ‘êçz_è®(­éšŽŠÝ¢j"�ú¶m§ÿÿ¾«þG«�éÿ¢¸?™¨è­Ú&£ø§~�á¶iO•æ¬z·švØ^¶m§ÿÿà ÿ¶ìÿ¢¸?–I¥