linux-kernel - Re: [PATCH] Revert "mips: fix shmctl/semctl/msgctl syscall for o32"

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Message-ID: <Z5yYkMSPJcYme1kX@alpha.franken.de>
Date: Fri, 31 Jan 2025 10:32:00 +0100
From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "mips: fix shmctl/semctl/msgctl syscall for o32"

On Thu, Jan 30, 2025 at 11:48:56AM +0100, Thomas Bogendoerfer wrote:
> This reverts commit bc7584e009c39375294794f7ca751a6b2622c425.
> 
> The split IPC system calls for o32 have been introduced with modern
> version only. Changing this breaks ABI.
> 
> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> ---
>  arch/mips/kernel/syscalls/syscall_o32.tbl | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
> index e8a57c206758..349b8aad1159 100644
> --- a/arch/mips/kernel/syscalls/syscall_o32.tbl
> +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
> @@ -382,15 +382,15 @@
>  368	o32	io_pgetevents			sys_io_pgetevents_time32	compat_sys_io_pgetevents
>  # room for arch specific calls
>  393	o32	semget				sys_semget
> -394	o32	semctl				sys_old_semctl		compat_sys_old_semctl
> +394	o32	semctl				sys_semctl			compat_sys_semctl
>  395	o32	shmget				sys_shmget
> -396	o32	shmctl				sys_old_shmctl		compat_sys_old_shmctl
> +396	o32	shmctl				sys_shmctl			compat_sys_shmctl
>  397	o32	shmat				sys_shmat			compat_sys_shmat
>  398	o32	shmdt				sys_shmdt
>  399	o32	msgget				sys_msgget
>  400	o32	msgsnd				sys_msgsnd			compat_sys_msgsnd
>  401	o32	msgrcv				sys_msgrcv			compat_sys_msgrcv
> -402	o32	msgctl				sys_old_msgctl		compat_sys_old_msgctl
> +402	o32	msgctl				sys_msgctl			compat_sys_msgctl
>  403	o32	clock_gettime64			sys_clock_gettime		sys_clock_gettime
>  404	o32	clock_settime64			sys_clock_settime		sys_clock_settime
>  405	o32	clock_adjtime64			sys_clock_adjtime		sys_clock_adjtime
> -- 
> 2.35.3

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]