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From: Kees Cook <keescook@chromium.org>
To: Xiaoming Ni <nixiaoming@huawei.com>
Cc: mcgrof@kernel.org, yzaikin@google.com, adobriyan@gmail.com,
	mingo@kernel.org, peterz@infradead.org,
	akpm@linux-foundation.org, yamada.masahiro@socionext.com,
	bauerman@linux.ibm.com, gregkh@linuxfoundation.org,
	skhan@linuxfoundation.org, dvyukov@google.com,
	svens@stackframe.org, joel@joelfernandes.org, tglx@linutronix.de,
	Jisheng.Zhang@synaptics.com, pmladek@suse.com,
	bigeasy@linutronix.de, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, wangle6@huawei.com
Subject: Re: [PATCH 2/4] proc/sysctl: add shared variables -1
Date: Fri, 15 May 2020 09:05:23 -0700	[thread overview]
Message-ID: <202005150904.743BB3E52@keescook> (raw)
In-Reply-To: <88f3078b-9419-b9c6-e789-7d6e50ca2cef@huawei.com>

On Fri, May 15, 2020 at 05:06:28PM +0800, Xiaoming Ni wrote:
> On 2020/5/15 16:06, Kees Cook wrote:
> > On Fri, May 15, 2020 at 12:33:42PM +0800, Xiaoming Ni wrote:
> > > Add the shared variable SYSCTL_NEG_ONE to replace the variable neg_one
> > > used in both sysctl_writes_strict and hung_task_warnings.
> > > 
> > > Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
> > > ---
> > >   fs/proc/proc_sysctl.c     | 2 +-
> > >   include/linux/sysctl.h    | 1 +
> > >   kernel/hung_task_sysctl.c | 3 +--
> > >   kernel/sysctl.c           | 3 +--
> > 
> > How about doing this refactoring in advance of the extraction patch?
> Before  advance of the extraction patch, neg_one is only used in one file,
> does it seem to have no value for refactoring?

I guess it doesn't matter much, but I think it's easier to review in the
sense that neg_one is first extracted and then later everything else is
moved.

-- 
Kees Cook

  reply	other threads:[~2020-05-15 16:05 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-15  4:33 [PATCH 0/4] Move the sysctl interface to the corresponding feature code file Xiaoming Ni
2020-05-15  4:33 ` [PATCH 1/4] hung_task: Move hung_task sysctl interface to hung_task_sysctl.c Xiaoming Ni
2020-05-15  8:04   ` Kees Cook
2020-05-15  8:56     ` Xiaoming Ni
2020-05-15 16:03       ` Kees Cook
2020-05-15 20:21         ` Luis Chamberlain
2020-05-15  4:33 ` [PATCH 2/4] proc/sysctl: add shared variables -1 Xiaoming Ni
2020-05-15  8:06   ` Kees Cook
2020-05-15  9:06     ` Xiaoming Ni
2020-05-15 16:05       ` Kees Cook [this message]
2020-05-16  2:32         ` Xiaoming Ni
2020-05-16  2:47           ` Kees Cook
2020-05-16  3:05             ` Xiaoming Ni
2020-05-17  2:38               ` Kees Cook
2020-05-15  4:33 ` [PATCH 3/4] watchdog: move watchdog sysctl to watchdog.c Xiaoming Ni
2020-05-15  8:09   ` Kees Cook
2020-05-15  9:17     ` Xiaoming Ni
2020-05-15  4:33 ` [PATCH 4/4] sysctl: Add register_sysctl_init() interface Xiaoming Ni
2020-05-15  8:10   ` Kees Cook
2020-05-15  9:39     ` Xiaoming Ni

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