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Date: Thu, 20 May 2021 14:45:22 +0300
From: "Dmitry V. Levin" <ldv@altlinux.org>
To: Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH 2/2] powerpc/64s/syscall: Fix ptrace syscall info with
 scv syscalls
Message-ID: <20210520114521.GC1198@altlinux.org>
References: <20210520111931.2597127-1-npiggin@gmail.com>
 <20210520111931.2597127-2-npiggin@gmail.com>
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On Thu, May 20, 2021 at 09:19:31PM +1000, Nicholas Piggin wrote:
> The scv implementation missed updating syscall return value and error
> value get/set functions to deal with the changed register ABI. This
> broke ptrace PTRACE_GET_SYSCALL_INFO as well as some kernel auditing
> and tracing functions.
> 
> Fix. tools/testing/selftests/ptrace/get_syscall_info now passes when
> scv is used.
> 
> Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv instructions")
> Reported-by: "Dmitry V. Levin" <ldv@altlinux.org>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Thanks, feel free to add
Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>

Also consider adding
Cc: stable@vger.kernel.org # 5.9+


-- 
ldv