From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Josh Poimboeuf <jpoimboe@kernel.org>
Cc:     live-patching@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        Song Liu <song@kernel.org>
Subject: Re: [PATCH 0/2] powerpc: Fix livepatch module re-patching issue
In-Reply-To: <20230204172357.mbudvbtv7tc7vhf3@treble>
References: <cover.1674617130.git.jpoimboe@kernel.org>
 <20230204172357.mbudvbtv7tc7vhf3@treble>
Date:   Sun, 05 Feb 2023 11:46:12 +1100
Message-ID: <87357ley7f.fsf@mpe.ellerman.id.au>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Josh Poimboeuf <jpoimboe@kernel.org> writes:
> On Tue, Jan 24, 2023 at 07:38:03PM -0800, Josh Poimboeuf wrote:
>> Fix a livepatch bug seen when reloading a patched module.
>> 
>> This is the powerpc counterpart to Song Liu's fix for a similar issue on
>> x86:
>> 
>>   https://lkml.kernel.org/lkml/20230121004945.697003-2-song@kernel.org
>> 
>> Josh Poimboeuf (2):
>>   powerpc/module_64: Improve restore_r2() return semantics
>>   powerpc/module_64: Fix "expected nop" error on module re-patching
>> 
>>  arch/powerpc/kernel/module_64.c | 29 ++++++++++++++++++-----------
>>  1 file changed, 18 insertions(+), 11 deletions(-)
>
> Hi Michael,
>
> Ping?  Any objections to this?
>
> The x86 counterpart to this is queued for 6.3, it would be nice if this
> also landed.  We could take it through the livepatch tree if needed.

It's in my next since about a week. Sorry I forgot to send the
"accepted" emails (which I still don't have automated :/ ).

337251c7114e1 ("powerpc/module_64: Fix "expected nop" error on module re-patching")

cheers