linux-kernel - Re: [PATCH v2 2/2] blktrace: switch trace spinlock to a raw spinlock

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Message-ID: <CAAq0SUn=j3bQoDLO6muGs776seGwhugf=OU7rEMRM2vFK6djpw@mail.gmail.com>
Date:   Thu, 16 Dec 2021 17:21:39 -0300
From:   Wander Costa <wcosta@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Wander Lairson Costa <wander@...hat.com>,
        open list <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-rt-users@...r.kernel.org
Subject: Re: [PATCH v2 2/2] blktrace: switch trace spinlock to a raw spinlock

On Wed, Dec 15, 2021 at 4:34 PM Jens Axboe <axboe@...nel.dk> wrote:
>
> On 12/15/21 10:31 AM, Steven Rostedt wrote:
> > On Wed, 15 Dec 2021 18:08:34 +0100
> > Sebastian Andrzej Siewior <bigeasy@...utronix.de> wrote:
> >
> >> On 2021-12-13 09:37:37 [-0300], Wander Lairson Costa wrote:
> >> …
> >>> To avoid this bug, we switch the trace lock to a raw spinlock.
> >>
> >> Steven, do you think this is a good idea?
> >>
> >
> > blktrace is actually maintained by Jens.
>
> Looks like there are two patches, and none were CC'ed linux-block.
> Please resend.
>
Ok, I am going to do it, thanks.

> --
> Jens Axboe
>