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Subject: Re: [PATCH] x86/ftrace: use ftrace_write to simplify code
To:     Peter Zijlstra <peterz@infradead.org>, <rostedt@goodmis.org>
CC:     <xiexiuqi@huawei.com>, <huawei.libin@huawei.com>,
        <tglx@linutronix.de>, <x86@kernel.org>,
        <linux-kernel@vger.kernel.org>, <bobo.shaobowang@huawei.com>
References: <20200114015217.9246-1-cj.chengjian@huawei.com>
 <20200114081636.GH2827@hirez.programming.kicks-ass.net>
From:   "chengjian (D)" <cj.chengjian@huawei.com>
Message-ID: <8435b848-f638-978c-bbd5-459657c4b34e@huawei.com>
Date:   Tue, 14 Jan 2020 17:20:13 +0800
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On 2020/1/14 16:16, Peter Zijlstra wrote:
> On Tue, Jan 14, 2020 at 01:52:17AM +0000, Cheng Jian wrote:
>> ftrace_write() can be used in ftrace_modify_code_direct(),
>> that make the code more brief.
>>
>> Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>
> None of the code you're patching still exists. Please see tip/master.
>
> .


I find these patches in TIP. My patch may not be necessary.

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=768ae4406a5cab7e8702550f2446dbeb377b798d

Thank you, Peter.


-- Cheng Jian