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From: Luis Chamberlain <mcgrof@kernel.org>
To: Xiaoming Ni <nixiaoming@huawei.com>
Cc: keescook@chromium.org, yzaikin@google.com, adobriyan@gmail.com,
	patrick.bellasi@arm.com, mingo@kernel.org, peterz@infradead.org,
	tglx@linutronix.de, gregkh@linuxfoundation.org,
	Jisheng.Zhang@synaptics.com, bigeasy@linutronix.de,
	pmladek@suse.com, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	wangle6@huawei.com, alex.huangjianhui@huawei.com
Subject: Re: [PATCH v3 0/4] cleaning up the sysctls table (hung_task watchdog)
Date: Mon, 18 May 2020 17:16:02 +0000	[thread overview]
Message-ID: <20200518171602.GK11244@42.do-not-panic.com> (raw)
In-Reply-To: <1589774397-42485-1-git-send-email-nixiaoming@huawei.com>

On Mon, May 18, 2020 at 11:59:53AM +0800, Xiaoming Ni wrote:
> Kernel/sysctl.c contains more than 190 interface files, and there are a 
> large number of config macro controls. When modifying the sysctl 
> interface directly in kernel/sysctl.c, conflicts are very easy to occur.
> E.g: https://lkml.org/lkml/2020/5/10/413.

FWIW un the future please avoid using lkmk.org and instead use
https://lkml.kernel.org/r/<MESSAGE-ID> for references.

> Use register_sysctl() to register the sysctl interface to avoid
> merge conflicts when different features modify sysctl.c at the same time.
> 
> So consider cleaning up the sysctls table, details are in:
> 	https://kernelnewbies.org/KernelProjects/proc
> 	https://lkml.org/lkml/2020/5/13/990
> 
> The current patch set extracts register_sysctl_init and some sysctl_vals
> variables, and clears the interface of hung_task and watchdog in sysctl.c.
> 
> The current patch set is based on commit b9bbe6ed63b2b9 ("Linux 5.7-rc6"),
> which conflicts with the latest branch of linux-next:
> 	9b4caf6941fc41d ("kernel / hung_task.c: introduce sysctl to print
> all traces when a hung task is detected")
> 
> Should I modify to make patch based on the "linux-next" branch to avoid
> conflicts, or other branches?

If you can do that, that would be appreciated. I have a sysctl fs cleanup
stuff, so I can take your patches, and put my work ont op of yours and
then send this to Andrew once done.

  Luis

  parent reply	other threads:[~2020-05-18 17:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-18  3:59 [PATCH v3 0/4] cleaning up the sysctls table (hung_task watchdog) Xiaoming Ni
2020-05-18  3:59 ` [PATCH v3 1/4] sysctl: Add register_sysctl_init() interface Xiaoming Ni
2020-05-18  3:59 ` [PATCH v3 2/4] sysctl: Move some boundary constants form sysctl.c to sysctl_vals Xiaoming Ni
2020-05-18  3:59 ` [PATCH v3 3/4] hung_task: Move hung_task sysctl interface to hung_task.c Xiaoming Ni
2020-05-18  3:59 ` [PATCH v3 4/4] watchdog: move watchdog sysctl interface to watchdog.c Xiaoming Ni
2020-05-18 17:16 ` Luis Chamberlain [this message]
2020-05-19  1:13   ` [PATCH v3 0/4] cleaning up the sysctls table (hung_task watchdog) Xiaoming Ni

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