linux-kernel - Re: [PATCH 00/16] xtensa: fix W=1 build warnings

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Date:   Wed, 20 Sep 2023 05:11:20 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, Chris Zankel <chris@...kel.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH 00/16] xtensa: fix W=1 build warnings

Hi Randy,

On Tue, Sep 19, 2023 at 10:21 PM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> This series fixes all xtensa W=1 build warnings that I have seen
> with the exception of some in arch/xtensa/boot/. [1]
>
> These have been through defconfig, allnoconfig, tinyconfig, allyesconfig,
> allmodconfig, and many randconfig builds.
>
>  [PATCH 01/16] xtensa: FSF: define XCHAL_HAVE_DIV32
>  [PATCH 02/16] xtensa: fault: include <asm/traps.h>
>  [PATCH 03/16] xtensa: irq: include <asm/traps.h>
>  [PATCH 04/16] xtensa: ptrace: add prototypes to <asm/ptrace.h>
>  [PATCH 05/16] xtensa: processor.h: add init_arch() prototype
>  [PATCH 06/16] xtensa: signal: include headers for function prototypes
>  [PATCH 07/16] xtensa: stacktrace: include <asm/ftrace.h> for prototype
>  [PATCH 08/16] xtensa: traps: add <linux/cpu.h> for function prototype
>  [PATCH 09/16] irqchip: irq-xtensa-mx: include header for missing prototype
>  [PATCH 10/16] xtensa: smp: add headers for missing function prototypes
>  [PATCH 11/16] xtensa: hw_breakpoing: include header for missing prototype
>  [PATCH 12/16] xtensa: tlb: include <asm/tlb.h> for missing prototype
>  [PATCH 13/16] xtensa: iss/network: make functions static
>  [PATCH 14/16] xtensa: boot: don't add include-dirs
>  [PATCH 15/16] xtensa: umulsidi3: fix conditional expression
>  [PATCH 16/16] xtensa: boot/lib: add missing prototypes for functions
>
> 1:
> arch/xtensa/boot/boot-elf/bootstrap.S:68: Warning: value 0x1a0003000 truncated to 0xa0003000
>
>  arch/xtensa/boot/Makefile                       |    3 +--
>  arch/xtensa/boot/lib/zmem.c                     |    4 ++++
>  arch/xtensa/include/asm/hw_breakpoint.h         |    1 +
>  arch/xtensa/include/asm/processor.h             |    5 +++++
>  arch/xtensa/include/asm/ptrace.h                |    3 +++
>  arch/xtensa/include/asm/smp.h                   |    1 +
>  arch/xtensa/include/asm/tlb.h                   |    2 ++
>  arch/xtensa/kernel/hw_breakpoint.c              |    1 +
>  arch/xtensa/kernel/irq.c                        |    1 +
>  arch/xtensa/kernel/ptrace.c                     |    1 -
>  arch/xtensa/kernel/signal.c                     |    2 ++
>  arch/xtensa/kernel/smp.c                        |    1 +
>  arch/xtensa/kernel/stacktrace.c                 |    1 +
>  arch/xtensa/kernel/traps.c                      |    1 +
>  arch/xtensa/lib/umulsidi3.S                     |    4 +++-
>  arch/xtensa/mm/fault.c                          |    1 +
>  arch/xtensa/mm/tlb.c                            |    1 +
>  arch/xtensa/platforms/iss/network.c             |    4 ++--
>  arch/xtensa/variants/fsf/include/variant/core.h |    1 +
>  drivers/irqchip/irq-xtensa-mx.c                 |    1 +
>  20 files changed, 33 insertions(+), 6 deletions(-)
>
> Cc: Chris Zankel <chris@...kel.net>
> Cc: Max Filippov <jcmvbkbc@...il.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Marc Zyngier <maz@...nel.org>

Thank you for this nice cleanup. Applied the whole series (except
the first and the last patches, which I replaced with different fixes)
to my xtensa tree.

-- 
Thanks.
-- Max