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Message-ID: <20240109095050.GA12915@willie-the-truck>
Date: Tue, 9 Jan 2024 09:50:51 +0000
From: Will Deacon <will@...nel.org>
To: Florian Fainelli <florian.fainelli@...adcom.com>
Cc: linux-arm-kernel@...ts.infradead.org,
Catalin Marinas <catalin.marinas@....com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Arnd Bergmann <arnd@...db.de>,
"peterz@...radead.org" <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>,
Rick Edgecombe <rick.p.edgecombe@...el.com>,
Nhat Pham <nphamcs@...il.com>, Palmer Dabbelt <palmer@...ive.com>,
Sohil Mehta <sohil.mehta@...el.com>,
Miklos Szeredi <mszeredi@...hat.com>,
Christian Brauner <brauner@...nel.org>, Ian Kent <raven@...maw.net>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM64: Update __NR_compat_syscalls for
statmount/listmount
On Mon, Jan 08, 2024 at 05:09:04PM -0800, Florian Fainelli wrote:
> Commit d8b0f5465012 ("wire up syscalls for statmount/listmount") added
> two new system calls to arch/arm64/include/asm/unistd32.h but forgot to
> update the __NR_compat_syscalls number, thus causing the following build
> failures:
>
> ./arch/arm64/include/asm/unistd32.h:922:24: error: array index in initializer exceeds array bounds
> 922 | #define __NR_statmount 457
> | ^~~
> arch/arm64/kernel/sys32.c:130:34: note: in definition of macro '__SYSCALL'
> 130 | #define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
> | ^~
>
> Bump up the number by two to accomodate for the new system calls added.
>
> Fixes: d8b0f5465012 ("wire up syscalls for statmount/listmount")
> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---
> arch/arm64/include/asm/unistd.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
> index 531effca5f1f..b63f870debaf 100644
> --- a/arch/arm64/include/asm/unistd.h
> +++ b/arch/arm64/include/asm/unistd.h
> @@ -39,7 +39,7 @@
> #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
> #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
>
> -#define __NR_compat_syscalls 457
> +#define __NR_compat_syscalls 459
> #endif
>
> #define __ARCH_WANT_SYS_CLONE
> --
> 2.34.1
Acked-by: Will Deacon <will@...nel.org>
Will
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