On Thu, 2014-03-13 at 14:28 -0700, H. Peter Anvin wrote: > On 03/13/2014 02:24 PM, One Thousand Gnomes wrote: > > > > If I have CAP_SYS_RAWIO I can make arbitary ring 0 calls from userspace, > > trivially and in a fashion well known and documented. > > > > ... and once we eliminate CAP_SYS_RAWIO a bunch of the patches become > redundant. We can only drop CAP_SYS_RAWIO if we change a bunch of the existing CAP_SYS_RAWIO checks to something else. How do we do that without breaking existing userspace? -- Matthew Garrett {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I