linux-kernel - Re: threadirqs and kthreadd

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Message-ID: <CAFxy--azsv1sFyemn+gUwocAo6vCQJHVEL4TfUGqqwOHDVGcLQ@mail.gmail.com>
Date:	Tue, 28 Oct 2014 16:26:04 +0530
From:	ajay kanala <ajaykanala321@...il.com>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: threadirqs and kthreadd_task

Hi,
Any pointers from mips list?  Was the option working on any mips arch?

Thanks for the help.
-- Ajay

On Fri, Oct 24, 2014 at 2:48 PM, ajay kanala <ajaykanala321@...il.com> wrote:
> thanks Mike for info.
> I add mips list in CC now.
>
> In general, the problem does not look like arch specific. Arch code is
> calling setup_irq. This code calls generic  __setup_irq. And then
> threads are created by this line in kernel/irq/manage.c:
> t = kthread_create(irq_thread, new, "irq/%d-%s", irq,
>                                    new->name);
>
> and kthreadd_task is uninitialized till this point.
>
> The code looks similar for x86_64 so i am missing something obvious.
>
> Nevertheless, I am hoping someone from mips-list can throw some light
> if this feature works well on mips.
>
> Thanks
> -- Ajay
>
> On Thu, Oct 23, 2014 at 11:10 PM, Mike Galbraith
> <umgwanakikbuti@...il.com> wrote:
>> On Thu, 2014-10-23 at 22:48 +0530, ajay kanala wrote:
>>> Hi,
>>> any help?
>>
>> You should CC the MIPS folks methinks, works fine in x86_64 at least.
>>
>> -Mike
>>
>>
>>
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