linux-kernel - Re: [PATCH] MIPS: Use rcu to lookup a task in mipsmt_sys_sched

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Message-ID: <20200903082440.GH6220@alpha.franken.de>
Date:   Thu, 3 Sep 2020 10:24:40 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Davidlohr Bueso <dave@...olabs.net>
Cc:     oleg@...hat.com, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] MIPS: Use rcu to lookup a task in
 mipsmt_sys_sched_setaffinity()

On Mon, Aug 31, 2020 at 01:14:02PM -0700, Davidlohr Bueso wrote:
> The call simply looks up the corresponding task (without iterating
> the tasklist), which is safe under rcu instead of the tasklist_lock.
> In addition, the setaffinity counter part already does this.
> 
> Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
> ---
>  arch/mips/kernel/mips-mt-fpaff.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

applied to mips-next.

Thomas.

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