linux-kernel - Re: [PATCH v3] coresight: Serialize enabling/disabling a link device.

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Date:   Wed, 14 Aug 2019 09:04:22 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Yabin Cui <yabinc@...gle.com>
Cc:     Suzuki K Poulose <suzuki.poulose@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] coresight: Serialize enabling/disabling a link device.

On Tue, 13 Aug 2019 at 18:36, Yabin Cui <yabinc@...gle.com> wrote:
>
> > The patch isn't difficult to do but does go deeper in each link
> > drivers (ETF, funnel, replicator).  Let me know if you are not
> > comfortable with the idea and I will see what I can do on my side.
>
> I am comfortable with the idea. I chose to add lock in coresight_enable_link() just because it
> is the smallest change. But a refactor probably is better for maintainance.

Yes, that is  my prime concern.

>
> Feel free to upload a new patch fixing the problem. I can help to test it.

I have a few things on my plate at this time so you might beat me to
the punch.  I'll see how the next few days go.

Mathieu