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Date:   Tue, 18 Oct 2022 09:42:01 +0200
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Subject: Re: [PATCH v8 08/11] tpm, tpm: Implement usage counter for locality
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To:     Lukas Wunner <lukas@wunner.de>
Cc:     peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca,
        stefanb@linux.vnet.ibm.com, linux@mniewoehner.de,
        linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
        jandryuk@gmail.com, pmenzel@molgen.mpg.de, l.sanfilippo@kunbus.com,
        p.rosenberger@kunbus.com
References: <20221017235732.10145-1-LinoSanfilippo@gmx.de>
 <20221017235732.10145-9-LinoSanfilippo@gmx.de>
 <20221018062508.GB25237@wunner.de>
From:   Lino Sanfilippo <LinoSanfilippo@gmx.de>
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On 18.10.22 08:25, Lukas Wunner wrote:
> Hm, any reason not to use struct kref for the locality counter?
> Provides correct memory ordering (no mutex needed) and allows for
> calling a release function too upon reaching 0.
>

I already tried this but krefs turned out to be not very usable
in this case. See my post here:

https://lore.kernel.org/lkml/09eefdab-f677-864a-99f7-869d7a8744c2@gmx.de/

Regards,
Lino