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

Reply via email to