Re: [PATCH] epoll: fix compat syscall wire up of epoll_pwait2

[Will Deacon]

On Sun, Dec 20, 2020 at 10:58:30AM +0100, Heiko Carstens wrote:
> Commit b0a0c2615f6f ("epoll: wire up syscall epoll_pwait2") wired up
> the 64 bit syscall instead of the compat variant in a couple of places.
> 
> Cc: Willem de Bruijn <willemb@xxxxxxxxxx>
> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Fixes: b0a0c2615f6f ("epoll: wire up syscall epoll_pwait2")
> Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
> ---
>  arch/arm64/include/asm/unistd32.h         | 2 +-
>  arch/mips/kernel/syscalls/syscall_n32.tbl | 2 +-
>  arch/s390/kernel/syscalls/syscall.tbl     | 2 +-
>  arch/sparc/kernel/syscalls/syscall.tbl    | 2 +-
>  4 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
> index f4bca2b90218..cccfbbefbf95 100644
> --- a/arch/arm64/include/asm/unistd32.h
> +++ b/arch/arm64/include/asm/unistd32.h
> @@ -890,7 +890,7 @@ __SYSCALL(__NR_faccessat2, sys_faccessat2)
>  #define __NR_process_madvise 440
>  __SYSCALL(__NR_process_madvise, sys_process_madvise)
>  #define __NR_epoll_pwait2 441
> -__SYSCALL(__NR_epoll_pwait2, sys_epoll_pwait2)
> +__SYSCALL(__NR_epoll_pwait2, compat_sys_epoll_pwait2)


For this bit ^^

Acked-by: Will Deacon <will@xxxxxxxxxx>

Will