On Tue, Oct 13, 2009 at 07:20:21AM -0400, Mike Frysinger wrote: > From: Jie Zhang <jie.zh...@analog.com> > > The NOMMU code currently clears all anonymous mmapped memory. While this > is what we want in the default case, all memory allocation from userspace > under NOMMU has to go through this interface, including malloc() which is > allowed to return uninitialized memory. This can easily be a significant > performance penalty. So for constrained embedded systems were security is > irrelevant, allow people to avoid clearing memory unnecessarily. > > This also alters the ELF-FDPIC binfmt such that it obtains uninitialised > memory for the brk and stack region. > > Signed-off-by: Jie Zhang <jie.zh...@analog.com> > Signed-off-by: Robin Getz <rg...@analog.com> > Signed-off-by: Mike Frysinger <vap...@gentoo.org> > Signed-off-by: David Howells <dhowe...@redhat.com>
Acked-by: Paul Mundt <let...@linux-sh.org> _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev