linux-kernel - Re: [PATCH -next 3/3] ftrace: Delete unused variable ftrace_update

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Message-ID: <20221117153630.4af6a7da@gandalf.local.home>
Date:   Thu, 17 Nov 2022 15:36:30 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Wang Wensheng <wangwensheng4@...wei.com>
Cc:     <linux-kernel@...r.kernel.org>, <mhiramat@...nel.org>,
        <mark.rutland@....com>, <xuqiang36@...wei.com>,
        <weiyongjun1@...wei.com>
Subject: Re: [PATCH -next 3/3] ftrace: Delete unused variable
 ftrace_update_time

On Wed, 9 Nov 2022 09:44:34 +0000
Wang Wensheng <wangwensheng4@...wei.com> wrote:

> ftrace_update_time is not used anywhere else after initialization. So
> delete it together with its initial code.

Thanks for the first two patches. They are definitely fixes and I plan on
testing and adding them to my next pull request.

As for this one, this has been more of a reminder for me to one day (I
know, it's been years!) to export this to see from user space. I sometimes
do it manually with a printk(), but it should probably be always shown.
Perhaps in dyn_ftrace_total_info ?

-- Steve