netdev - Re: [PATCH v5 11/15] arch: make execmem setup available regardless of CONFIG

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Message-ID: <fb942d49-1c72-40a6-8309-ef3331d8f8dc@linaro.org>
Date: Mon, 22 Apr 2024 14:11:34 +0200
From: Philippe Mathieu-Daudé <philmd@...aro.org>
To: Mike Rapoport <rppt@...nel.org>, linux-kernel@...r.kernel.org
Cc: Alexandre Ghiti <alexghiti@...osinc.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Björn Töpel
 <bjorn@...nel.org>, Catalin Marinas <catalin.marinas@....com>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 "David S. Miller" <davem@...emloft.net>, Dinh Nguyen <dinguyen@...nel.org>,
 Donald Dutile <ddutile@...hat.com>, Eric Chanudet <echanude@...hat.com>,
 Heiko Carstens <hca@...ux.ibm.com>, Helge Deller <deller@....de>,
 Huacai Chen <chenhuacai@...nel.org>,
 Kent Overstreet <kent.overstreet@...ux.dev>,
 Luis Chamberlain <mcgrof@...nel.org>, Mark Rutland <mark.rutland@....com>,
 Masami Hiramatsu <mhiramat@...nel.org>, Michael Ellerman
 <mpe@...erman.id.au>, Nadav Amit <nadav.amit@...il.com>,
 Palmer Dabbelt <palmer@...belt.com>, Peter Zijlstra <peterz@...radead.org>,
 Rick Edgecombe <rick.p.edgecombe@...el.com>,
 Russell King <linux@...linux.org.uk>, Sam Ravnborg <sam@...nborg.org>,
 Song Liu <song@...nel.org>, Steven Rostedt <rostedt@...dmis.org>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
 Thomas Gleixner <tglx@...utronix.de>, Will Deacon <will@...nel.org>,
 bpf@...r.kernel.org, linux-arch@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
 linux-mm@...ck.org, linux-modules@...r.kernel.org,
 linux-parisc@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-s390@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, loongarch@...ts.linux.dev,
 netdev@...r.kernel.org, sparclinux@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v5 11/15] arch: make execmem setup available regardless of
 CONFIG_MODULES

On 22/4/24 11:44, Mike Rapoport wrote:
> From: "Mike Rapoport (IBM)" <rppt@...nel.org>
> 
> execmem does not depend on modules, on the contrary modules use
> execmem.
> 
> To make execmem available when CONFIG_MODULES=n, for instance for
> kprobes, split execmem_params initialization out from
> arch/*/kernel/module.c and compile it when CONFIG_EXECMEM=y
> 
> Signed-off-by: Mike Rapoport (IBM) <rppt@...nel.org>
> ---
>   arch/arm/kernel/module.c       |  43 ----------
>   arch/arm/mm/init.c             |  45 +++++++++++
>   arch/arm64/kernel/module.c     | 140 ---------------------------------
>   arch/arm64/mm/init.c           | 140 +++++++++++++++++++++++++++++++++
>   arch/loongarch/kernel/module.c |  19 -----
>   arch/loongarch/mm/init.c       |  21 +++++
>   arch/mips/kernel/module.c      |  22 ------
>   arch/mips/mm/init.c            |  23 ++++++
>   arch/nios2/kernel/module.c     |  20 -----
>   arch/nios2/mm/init.c           |  21 +++++
>   arch/parisc/kernel/module.c    |  20 -----
>   arch/parisc/mm/init.c          |  23 +++++-
>   arch/powerpc/kernel/module.c   |  63 ---------------
>   arch/powerpc/mm/mem.c          |  64 +++++++++++++++
>   arch/riscv/kernel/module.c     |  44 -----------
>   arch/riscv/mm/init.c           |  45 +++++++++++
>   arch/s390/kernel/module.c      |  27 -------
>   arch/s390/mm/init.c            |  30 +++++++
>   arch/sparc/kernel/module.c     |  19 -----
>   arch/sparc/mm/Makefile         |   2 +
>   arch/sparc/mm/execmem.c        |  21 +++++
>   arch/x86/kernel/module.c       |  27 -------
>   arch/x86/mm/init.c             |  29 +++++++
>   23 files changed, 463 insertions(+), 445 deletions(-)
>   create mode 100644 arch/sparc/mm/execmem.c

Reviewed-by: Philippe Mathieu-Daudé <philmd@...aro.org>