linux-kernel - Re: [PATCH v8 7/9] livepatch: Improve the search performance of module_kallsyms_on_each

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Message-ID: <3df2bdd7-f10b-b8d1-3b7a-7e8111affd0c@huawei.com>
Date:   Tue, 15 Nov 2022 16:14:27 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Luis Chamberlain <mcgrof@...nel.org>,
        Jiri Olsa <olsajiri@...il.com>, <nick.alcock@...cle.com>
CC:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        <live-patching@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        <linux-modules@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        "David Laight" <David.Laight@...lab.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v8 7/9] livepatch: Improve the search performance of
 module_kallsyms_on_each_symbol()



On 2022/11/15 15:54, Luis Chamberlain wrote:
> On Tue, Nov 15, 2022 at 08:30:23AM +0100, Jiri Olsa wrote:
>> On Tue, Nov 15, 2022 at 10:10:16AM +0800, Leizhen (ThunderTown) wrote:
>>>
>>>
>>> On 2022/11/14 23:46, Luis Chamberlain wrote:
>>>> On Mon, Nov 14, 2022 at 02:26:19PM +0100, Jiri Olsa wrote:
>>>>> I'll check on that, meanwhile if we could keep the module argument,
>>>>> that'd be great
>>>>
>>>> As Leizhen suggested I could just drop patches:
>>>>
>>>> 7/9 livepatch: Improve the search performance of module_kallsyms_on_each_symbol()
>>>> 8/9 kallsyms: Delete an unused parameter related to kallsyms_on_each_symbol()
>>>>
>>>> Then after the next kernel is released this can be relooked at.
>>>> If this is agreeable let me know.
>>>
>>> I'm OK.
>>
>> sounds good, thanks
> 
> OK thanks, I dropped the last selftest patch as well, and pushed to
> modules-next.  Leizhen, can you enhance the selftest for the new module
> requirement and repost?

Okay, right away.

> 
> Stephen, you can drop your fix from linux-next, hopefully there should
> no longer be any merge conflicts. The module requirement will stick for
> now.
> 
> Thanks,
> 
>   Luis
> .
> 

-- 
Regards,
  Zhen Lei