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From: Steven Rostedt <rostedt@goodmis.org>
To: Miroslav Benes <mbenes@suse.cz>
Cc: mingo@redhat.com, jpoimboe@redhat.com, jikos@kernel.org,
	pmladek@suse.com, joe.lawrence@redhat.com,
	linux-kernel@vger.kernel.org, live-patching@vger.kernel.org,
	shuah@kernel.org, kamalesh@linux.vnet.ibm.com,
	linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v3 1/3] ftrace: Introduce PERMANENT ftrace_ops flag
Date: Wed, 16 Oct 2019 10:25:04 -0400	[thread overview]
Message-ID: <20191016102504.274fc88d@gandalf.local.home> (raw)
In-Reply-To: <20191016094853.3913f5ae@gandalf.local.home>

On Wed, 16 Oct 2019 09:48:53 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> @@ -6796,10 +6798,12 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
>  
>  	ret = proc_dointvec(table, write, buffer, lenp, ppos);

As you just stated on IRC, the update to ftrace_enabled gets updated in
the above routine.

I forgot about this :-/ (Senior moment)

I guess there's nothing to worry about here.

-- Steve



>  
> -	if (ret || !write || (last_ftrace_enabled == !!ftrace_enabled))
> +	if (ret || !write || (ftrace_enabled == !!sysctl_ftrace_enabled))
>  		goto out;
>  

  reply	other threads:[~2019-10-16 14:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-16 11:33 [PATCH v3 0/3] " Miroslav Benes
2019-10-16 11:33 ` [PATCH v3 1/3] " Miroslav Benes
2019-10-16 13:48   ` Steven Rostedt
2019-10-16 14:25     ` Steven Rostedt [this message]
2019-10-16 11:33 ` [PATCH v3 2/3] selftests/livepatch: Make dynamic debug setup and restore generic Miroslav Benes
2019-10-16 15:08   ` Petr Mladek
2019-10-16 17:10   ` Kamalesh Babulal
2019-10-16 21:39     ` Joe Lawrence
2019-10-16 11:33 ` [PATCH v3 3/3] selftests/livepatch: Test interaction with ftrace_enabled Miroslav Benes
2019-10-16 15:07   ` Petr Mladek
2019-10-16 17:06   ` Kamalesh Babulal
2019-10-16 21:47     ` Joe Lawrence
2019-10-17  7:25       ` Kamalesh Babulal
2019-10-16 14:58 ` [PATCH v3 0/3] ftrace: Introduce PERMANENT ftrace_ops flag Steven Rostedt
2019-10-16 15:01   ` Miroslav Benes

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