linux-kernel - Re: [PATCH v1 1/4] powerpc: Cleanup asm-prototypes.c

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Date:   Tue, 08 Mar 2022 22:11:45 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH v1 1/4] powerpc: Cleanup asm-prototypes.c

Christophe Leroy <christophe.leroy@...roup.eu> writes:
> Le 04/03/2022 à 18:04, Christophe Leroy a écrit :
>> Last call to sys_swapcontext() from ASM was removed by
>> commit fbcee2ebe8ed ("powerpc/32: Always save non volatile GPRs at
>> syscall entry")
>> 
>> sys_debug_setcontext() prototype not needed anymore since
>> commit f3675644e172 ("powerpc/syscalls: signal_{32, 64} - switch
>> to SYSCALL_DEFINE")
>> 
>> sys_switch_endian() prototype not needed anymore since
>> commit 81dac8177862 ("powerpc/64: Make sys_switch_endian() traceable")
>> 
>> _mount() prototype is already in asm/ftrace.h
>> 
>> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
>> ---
>
> I see this series in next-test branch.
>
> Can you #include <asm/ftrace.h> in asm/asm-prototypes.h so that 
> _mcount() still gets versionned.

I just left the existing _mcount() prototype in asm-prototypes.h.

I've run that through some build tests, and want to push it for
tomorrow's next, so I'd rather not change it now.

Send me a follow-up patch to add the include of ftrace.h and drop the
_mcount() prototype.

cheers