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Date:   Tue, 29 Mar 2022 13:22:57 +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,
        live-patching@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        linux-s390@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH] livepatch: Remove klp_arch_set_pc() and asm/livepatch.h
Message-ID: <YkLsEUgxJkYbLZ7Z@alley>
References: <e029c7cfde436f6bbf99148ab14dc2da99add503.1648447981.git.christophe.leroy@csgroup.eu>
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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.

Best Regards,
Petr