Linux Kernel Selftest development
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From: Joe Lawrence <joe.lawrence@redhat.com>
To: Filipe Xavier <felipeaggger@gmail.com>
Cc: Marcos Paulo de Souza <mpdesouza@suse.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>,
	Jiri Kosina <jikos@kernel.org>, Miroslav Benes <mbenes@suse.cz>,
	Petr Mladek <pmladek@suse.com>, Shuah Khan <shuah@kernel.org>,
	live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Felipe Xavier <felipe_life@live.com>
Subject: Re: [PATCH] selftests: livepatch: test if ftrace can trace a livepatched function
Date: Sat, 11 Jan 2025 13:00:31 -0500	[thread overview]
Message-ID: <20867ce3-901c-7821-fe02-ccd223fdcf17@redhat.com> (raw)
In-Reply-To: <9edd671a-be5e-41c9-a8dc-b1fd1d5e3375@gmail.com>

On 1/10/25 12:13, Filipe Xavier wrote:
> Em 07/01/2025 13:23, Joe Lawrence escreveu:
> 
>> On Thu, Jan 02, 2025 at 03:42:10PM -0300, Filipe Xavier wrote:
>>> This new test makes sure that ftrace can trace a
>>> function that was introduced by a livepatch.
>>>
>> Hi Filipe,
>>
>> Thanks for adding a test!
>>
>> Aside: another similar test could verify that the original function, in
>> this case cmdline_proc_show(), can still be traced despite it being
>> livepatched.  That may be non-intuitive but it demonstrates how the
>> ftrace handler works.
> 
> Thanks for the review Joe!
> 
> I have fixed all points mentioned below,
> 
> and have a patch ready to submit.
> 
> Do you believe that this other similar test could be sent later,
> 
> or is it required in this patch?
> 

The second test could be added later if you like, either way is fine w/me.

Thanks,

-- 
Joe


      reply	other threads:[~2025-01-11 18:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-02 18:42 [PATCH] selftests: livepatch: test if ftrace can trace a livepatched function Filipe Xavier
2025-01-07 16:23 ` Joe Lawrence
2025-01-10 17:13   ` Filipe Xavier
2025-01-11 18:00     ` Joe Lawrence [this message]

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