Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
Date:   Mon, 23 May 2022 17:15:37 +0200
From:   Petr Mladek <pmladek@suse.com>
To:     Christophe Leroy <christophe.leroy@csgroup.eu>
Cc:     Josh Poimboeuf <jpoimboe@redhat.com>,
        Jiri Kosina <jikos@kernel.org>,
        Miroslav Benes <mbenes@suse.cz>,
        Joe Lawrence <joe.lawrence@redhat.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Heiko Carstens <hca@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Alexander Gordeev <agordeev@linux.ibm.com>,
        Christian Borntraeger <borntraeger@linux.ibm.com>,
        Sven Schnelle <svens@linux.ibm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "live-patching@vger.kernel.org" <live-patching@vger.kernel.org>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        "linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
        "x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH] livepatch: Remove klp_arch_set_pc() and asm/livepatch.h
Message-ID: <YoulGX1p82IoEzST@alley>
References: <e029c7cfde436f6bbf99148ab14dc2da99add503.1648447981.git.christophe.leroy@csgroup.eu>
 <YkLsEUgxJkYbLZ7Z@alley>
 <e1840187-6032-9f75-d7a8-b2b2fc5cbb58@csgroup.eu>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <e1840187-6032-9f75-d7a8-b2b2fc5cbb58@csgroup.eu>
Precedence: bulk

On Mon 2022-05-23 06:51:47, Christophe Leroy wrote:
> 
> 
> Le 29/03/2022 ? 13:22, Petr Mladek a ?crit?:
> > On Mon 2022-03-28 08:26:48, Christophe Leroy wrote:
> >> All three versions of klp_arch_set_pc() do exactly the same: they
> >> call ftrace_instruction_pointer_set().
> >>
> >> Call ftrace_instruction_pointer_set() directly and remove
> >> klp_arch_set_pc().
> >>
> >> As klp_arch_set_pc() was the only thing remaining in asm/livepatch.h
> >> on x86 and s390, remove asm/livepatch.h
> >>
> >> livepatch.h remains on powerpc but its content is exclusively used
> >> by powerpc specific code.
> >>
> >> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> > 
> > Acked-by: Petr Mladek <pmladek@suse.com>
> > 
> > I am going to take it via livepatch/livepatch.git for 5.19. We are
> > already in the middle of the merge window and this is not critical.
> > 
> 
> I haven't seen it in linux-next.
> 
> Do you still plan to take it for 5.19 ?

Thanks a lot for pointing this out. I have completely forgot about
this patch /o\

I have just pushed it into livepatching/livepatching.git,
branch for-5.19/cleanup.

I am going to create pull request for 5.19 by the end of this week
after it gets a spin in linux-next.

Best Regards,
Petr