linux-kernel - Re: [PATCH] kthread: Atomically set completion and perform dequeue in __kthread

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Message-ID: <2be88c3404544fff36fe0f634be78b4b@codeaurora.org>
Date:   Wed, 28 Jun 2017 07:05:38 -0700
From:   Vikram Mulukutla <markivx@...eaurora.org>
To:     rusty@...tcorp.com.au, tj@...nel.org, tglx@...utronix.de,
        akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] kthread: Atomically set completion and perform dequeue in
 __kthread_parkme



Ping. This is happening on x86 across suspend/resume too.
https://bugs.freedesktop.org/show_bug.cgi?id=100113

On 2017-06-26 16:03, Vikram Mulukutla wrote:
> correcting Thomas Gleixner's email address. s/linuxtronix/linutronix
> 
> On 6/26/2017 3:18 PM, Vikram Mulukutla wrote:
>> kthread_park waits for the target kthread to park itself with
>> __kthread_parkme using a completion variable. __kthread_parkme - which 
>> is
>> invoked by the target kthread - sets the completion variable before
>> calling schedule() to voluntarily get itself off of the runqueue.

<snip>

Thanks,
Vikram

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