On Thu, May 20, 2021 at 09:19:30PM +1000, Nicholas Piggin wrote:
> The sc and scv 0 system calls have different ABI conventions, and
> ptracers need to know which system call type is being used if it wants
> to look at the syscall registers.
typo: s/if it wants/if they want/
> Document that pt_regs.trap can be used for this, and fix one in-tree user
> to work with scv 0 syscalls.
>
> Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv
> instructions")
> Reported-by: "Dmitry V. Levin" <l...@altlinux.org>
> Suggested-by: "Dmitry V. Levin" <l...@altlinux.org>
> Signed-off-by: Nicholas Piggin <npig...@gmail.com>
Also consider adding
Cc: sta...@vger.kernel.org # 5.9+
Besides that, looks good, thanks!
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ldv
