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Subject: Re: [PATCH v3 0/2] powerpc/ptrace: Hard wire PT_SOFTE value to 1 in
 gpr_get() too
To:     Oleg Nesterov <oleg@redhat.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Paul Mackerras <paulus@samba.org>
Cc:     Al Viro <viro@zeniv.linux.org.uk>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
        Jan Kratochvil <jan.kratochvil@redhat.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
References: <20201119160154.GA5183@redhat.com>
From:   Christophe Leroy <christophe.leroy@csgroup.eu>
Message-ID: <d7c3ed05-b7e7-fac0-871f-4c43c1a7e90c@csgroup.eu>
Date:   Thu, 19 Nov 2020 18:19:55 +0100
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Le 19/11/2020 à 17:01, Oleg Nesterov a écrit :
> Can we finally fix this problem? ;)
> 
> My previous attempt was ignored, see

That doesn't seems right.

Michael made some suggestion it seems, can you respond to it ?

> 
> 	https://lore.kernel.org/lkml/20190917121256.GA8659@redhat.com/
> 
> Now that gpr_get() was changed to use membuf API we can make a simpler fix.
> 
> Sorry, uncompiled/untested, I don't have a ppc machine.

I compiled with ppc64_defconfig, that seems ok. Still untested.

Christophe

> 
> Oleg.
> 
>   arch/powerpc/kernel/ptrace/ptrace-tm.c   | 21 ++++++++++++---------
>   arch/powerpc/kernel/ptrace/ptrace-view.c | 21 ++++++++++++---------
>   include/linux/regset.h                   | 12 ++++++++++++
>   3 files changed, 36 insertions(+), 18 deletions(-)
>