Kees Cook [off-list ref] writes:

On Mon, Oct 3, 2016 at 9:13 AM, Denys Vlasenko [off-list ref] wrote:

quoted

On 32-bit powerpc the ELF PLT sections of binaries (built with --bss-plt,
or with a toolchain which defaults to it) look like this:

...

quoted

Signed-off-by: Jason Gunthorpe <redacted>
Signed-off-by: Denys Vlasenko <redacted>
Acked-by: Kees Cook <redacted>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <redacted>
CC: "Aneesh Kumar K.V" <redacted>
CC: Kees Cook <redacted>
CC: Oleg Nesterov <oleg@redhat.com>
CC: Michael Ellerman <mpe@ellerman.id.au>
CC: Florian Weimer <redacted>
CC: linux-mm@kvack.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
---
Changes since v5:
* made do_brk_flags() error out if any bits other than VM_EXEC are set.
  (Kees Cook: "With this, I'd be happy to Ack.")
  See https://patchwork.ozlabs.org/patch/661595/

Excellent, thanks for the v6! Should this go via the ppc tree or the -mm tree?

-mm would be best, given the diffstat I think it's less likely to
 conflict if it goes via -mm.

cheers