linux-kernel - Re: [PATCH -next 0/2] tasklist_lock vs get/set priority syscalls

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Date:   Fri, 4 Sep 2020 15:39:20 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     akpm@...ux-foundation.org
Cc:     oleg@...hat.com, axboe@...nel.dk, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next 0/2] tasklist_lock vs get/set priority syscalls

On Sun, 16 Aug 2020, Davidlohr Bueso wrote:

>Hi,
>
>This is a (late) update on trying to reduce some of the scope of the tasklist_lock
>for get/setpriority(2) as well as the block io equivalent. This version addresses
>Oleg's previous concerns and incorporates his feedback.
>
>Changes from v1:
>https://lore.kernel.org/lkml/20200512000353.23653-1-dave@stgolabs.net/
>
> - only take the lock for PGID cases.
> - drop bogus PF_EXITING checks (and live with the small exit race).
> - add patch for IOPRIO_WHO_PGRP.
>
>Please consider for v5.10.

Andrew, unless you have any objections, could you please pick these up?

Thanks,
Davidlohr