linux-kernel - Re: [PATCH v2 2/2] module: Merge same-name module load requests

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Message-ID: <11f65f51-5d77-e1cc-8f8a-779e35dd6af3@redhat.com>
Date:   Mon, 21 Nov 2022 20:50:11 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Luis Chamberlain <mcgrof@...nel.org>,
        Petr Pavlu <petr.pavlu@...e.com>
Cc:     Prarit Bhargava <prarit@...hat.com>, pmladek@...e.com,
        linux-modules@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] module: Merge same-name module load requests

On 21.11.22 20:03, Luis Chamberlain wrote:
> On Mon, Nov 21, 2022 at 05:00:49PM +0100, Petr Pavlu wrote:
>> On 11/16/22 17:03, Prarit Bhargava wrote:
>>> On 11/15/22 14:29, Luis Chamberlain wrote:
>>>> On Mon, Nov 14, 2022 at 04:45:05PM +0100, David Hildenbrand wrote:
>>>>> Note that I don't think the issue I raised is due to 6e6de3dee51a.
>>>>> I don't have the machine at hand right now. But, again, I doubt this will
>>>>> fix it.
>>>>
>>>> There are *more* modules processed after that commit. That's all. So
>>>> testing would be appreciated.
>>>>
>>>
>>> Can anyone tell us if
>>>
>>> https://lore.kernel.org/linux-pm/20221102195957.82871-1-stuart.w.hayes@gmail.com/
>>>
>>> resolves the module loading delay problem?
>>
>> This patch unfortunately makes no difference on my test system. In my case,
>> the kernel has already intel_pstate loaded when udev starts inserting a burst
>> of acpi_cpufreq modules. It then causes the init function acpi_cpufreq_init()
>> to immediately return once the check cpufreq_get_current_driver() fails. The
>> code modified by the patch is not reached at all.
> 
> To be clear I don't care about the patch mentioned in the above URL, I care
> about this:
> 
> https://lkml.kernel.org/r/d0bc50e3-0e42-311b-20ed-7538bb918c5b@suse.com
> 
> David was this the on you tested too?

Yes, that's the one I tried without luck.

-- 
Thanks,

David / dhildenb