linux-kernel - Re: [PATCH] riscv/ptrace: add new regset to get original a0 register

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Message-ID: <87jzchdn8q.fsf@all.your.base.are.belong.to.us>
Date: Tue, 03 Dec 2024 12:23:01 +0100
From: Björn Töpel <bjorn@...nel.org>
To: Celeste Liu <uwu@...lacanthus.name>, Oleg Nesterov <oleg@...hat.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Eric Biederman
 <ebiederm@...ssion.com>, Kees Cook <kees@...nel.org>
Cc: Alexandre Ghiti <alex@...ti.fr>, "Dmitry V. Levin" <ldv@...ace.io>,
 Andrea Bolognani <abologna@...hat.com>, Thomas Gleixner
 <tglx@...utronix.de>, Ron Economos <re@...z.net>, Felix Yan
 <felixonmars@...hlinux.org>, Ruizhe Pan <c141028@...il.com>, Shiqi Zhang
 <shiqi@...c.iscas.ac.cn>, Guo Ren <guoren@...nel.org>, Yao Zi
 <ziyao@...root.org>, Han Gao <gaohan@...as.ac.cn>,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, stable@...r.kernel.org
Subject: Re: [PATCH] riscv/ptrace: add new regset to get original a0 register

Celeste Liu <uwu@...lacanthus.name> writes:

>>> +static int riscv_orig_a0_get(struct task_struct *target,
>>> +			     const struct user_regset *regset,
>>> +			     struct membuf to)
>> 
>> Use full 100 chars!
>
> Linux code style prefer 80 limit.

No, it has been increased to 100, since many years [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/checkpatch.pl#n60