On Wed, Aug 30, 2017 at 12:41:51PM +0200, Peter Huewe wrote: > > > Am 30. August 2017 12:15:10 MESZ schrieb Jarkko Sakkinen > <jarkko.sakki...@linux.intel.com>: > >On Tue, Aug 29, 2017 at 03:17:39PM +0200, Michal Suchánek wrote: > >> Hello, > >> > >> On Tue, 29 Aug 2017 15:55:09 +0300 > >> Jarkko Sakkinen <jarkko.sakki...@linux.intel.com> wrote: > >> > >> > On Mon, Aug 28, 2017 at 05:15:58PM +0000, > >> > alexander.stef...@infineon.com wrote: > >> > > But is that just because nobody bothered to implement the > >necessary > >> > > logic or for some other reason? > >> > > >> > We do not want user space to access broken hardware. It's a huge > >risk > >> > for system stability and potentially could be used for evil > >purposes. > >> > > >> > This is not going to mainline as it is not suitable for general > >> > consumption. You must use a patched kernel if you want this. > >> > > >> > /Jarkko > >> > > >> > >> It has been pointed out that userspace applications that use direct > >IO > >> access exist for the purpose. So using a kernel driver is an > >> improvement over that if the interface is otherwise sane. > >> > >> What do you expect is the potential for instability or evil use? > > > >By definition the use of broken hardware can have unpredictable > >effects. > >Use a patched kernel if you want to do it. > > If the s.m.a.r.t selftest of your hard disk fails, you can still > access it, even though the hw selftest says it is broken. > Same situation.
Not sure if you can compare these directly although I get your point. Waiting for more comments on this. At the moment I'm still dilated to restricted access because it gives more variables for the future. /Jarkko ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ tpmdd-devel mailing list tpmdd-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
