linux-kernel - Re: [PATCH V2 6/6] riscv: compat_syscall_table: Fixup compile warning

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Message-ID: <4f34f0bd-0a67-a9d7-82d7-895b63a9300c@microchip.com>
Date:   Sun, 4 Sep 2022 10:08:45 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <guoren@...nel.org>, <arnd@...db.de>, <palmer@...osinc.com>,
        <tglx@...utronix.de>, <peterz@...radead.org>, <luto@...nel.org>,
        <heiko@...ech.de>, <jszhang@...nel.org>, <lazyparser@...il.com>,
        <falcon@...ylab.org>, <chenhuacai@...nel.org>,
        <apatel@...tanamicro.com>, <atishp@...shpatra.org>,
        <palmer@...belt.com>, <paul.walmsley@...ive.com>
CC:     <linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <guoren@...ux.alibaba.com>,
        <lkp@...el.com>
Subject: Re: [PATCH V2 6/6] riscv: compat_syscall_table: Fixup compile warning

On 04/09/2022 08:26, guoren@...nel.org wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> From: Guo Ren <guoren@...ux.alibaba.com>
> 
> ../arch/riscv/kernel/compat_syscall_table.c:12:41: warning: initialized
> field overwritten [-Woverride-init]
>    12 | #define __SYSCALL(nr, call)      [nr] = (call),
>       |                                         ^
> ../include/uapi/asm-generic/unistd.h:567:1: note: in expansion of macro
> '__SYSCALL'
>   567 | __SYSCALL(__NR_semget, sys_semget)
> 
> Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
> Signed-off-by: Guo Ren <guoren@...nel.org>
> Reported-by: kernel test robot <lkp@...el.com>

I **love** this patch.. I really wanted to get rid of these warnings
since they seemed to be false positives..
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

> ---
>  arch/riscv/kernel/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
> index 33bb60a354cd..01da14e21019 100644
> --- a/arch/riscv/kernel/Makefile
> +++ b/arch/riscv/kernel/Makefile
> @@ -9,6 +9,7 @@ CFLAGS_REMOVE_patch.o   = $(CC_FLAGS_FTRACE)
>  CFLAGS_REMOVE_sbi.o    = $(CC_FLAGS_FTRACE)
>  endif
>  CFLAGS_syscall_table.o += $(call cc-option,-Wno-override-init,)
> +CFLAGS_compat_syscall_table.o += $(call cc-option,-Wno-override-init,)
> 
>  ifdef CONFIG_KEXEC
>  AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
> --
> 2.36.1
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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