linux-kernel - Re: [PATCH 0/2] powerpc: stack protector (-fstack-protector) support

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Message-ID: <75290c3d-e2e8-52fc-043f-dcec645095f8@c-s.fr>
Date:   Fri, 30 Sep 2016 18:38:30 +0200
From:   Christophe LEROY <christophe.leroy@....fr>
To:     Denis Kirjanov <kda@...ux-powerpc.org>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Scott Wood <oss@...error.net>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] powerpc: stack protector (-fstack-protector) support



Le 30/09/2016 à 18:26, Denis Kirjanov a écrit :
>
>
> On Friday, September 30, 2016, Christophe Leroy <christophe.leroy@....fr
> <mailto:christophe.leroy@....fr>> wrote:
>
>     Add HAVE_CC_STACKPROTECTOR to powerpc. This is copied from ARM.
>
>     Not tested on PPC64, compile ok with ppc64_
>
>
> Hi Christophe,
>
> are you going to test it on ppc64? If not, I can take it

Thanks Denis, you are welcome to test it.

I don't have any ppc64 target, I only have mpc8xx and mpc83xx which both 
are ppc32

Christophe

>
>
>
>     Christophe Leroy (2):
>       powerpc: initial stack protector (-fstack-protector) support
>       powerpc/32: stack protector: change the canary value per task
>
>      arch/powerpc/Kconfig                      |  1 +
>      arch/powerpc/include/asm/stackprotector.h | 38
>     +++++++++++++++++++++++++++++++
>      arch/powerpc/kernel/Makefile              |  5 ++++
>      arch/powerpc/kernel/asm-offsets.c         |  3 +++
>      arch/powerpc/kernel/entry_32.S            |  6 ++++-
>      arch/powerpc/kernel/process.c             |  6 +++++
>      6 files changed, 58 insertions(+), 1 deletion(-)
>      create mode 100644 arch/powerpc/include/asm/stackprotector.h
>
>     --
>     2.1.0
>