From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
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
Subject: Re: [PATCH v8 08/11] tpm, tpm: Implement usage counter for locality
Date: Tue, 18 Oct 2022 09:42:01 +0200 [thread overview]
Message-ID: <3b768ce9-085a-220e-6e9c-154cbe44475f@gmx.de> (raw)
In-Reply-To: <20221018062508.GB25237@wunner.de>
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
next prev parent reply other threads:[~2022-10-18 7:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 23:57 [PATCH v8 00/11] TPM IRQ fixes Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 01/11] tpm, tpm_tis: Avoid cache incoherency in test for interrupts Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 02/11] tpm, tpm_tis: Claim locality before writing TPM_INT_ENABLE register Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 03/11] tpm, tpm_tis: Disable interrupts if tpm_tis_probe_irq() failed Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 04/11] tpm, tmp_tis: Claim locality before writing interrupt registers Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 05/11] tpm, tpm_tis: Only handle supported interrupts Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 06/11] tpm, tpm_tis: Move interrupt mask checks into own function Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 07/11] tpm, tpm_tis: do not check for the active locality in interrupt handler Lino Sanfilippo
2022-10-23 4:32 ` Jarkko Sakkinen
2022-10-17 23:57 ` [PATCH v8 08/11] tpm, tpm: Implement usage counter for locality Lino Sanfilippo
2022-10-18 6:25 ` Lukas Wunner
2022-10-18 7:42 ` Lino Sanfilippo [this message]
2022-10-23 5:26 ` Jarkko Sakkinen
2022-10-25 0:25 ` Lino Sanfilippo
2022-11-01 1:06 ` Jarkko Sakkinen
2022-10-23 4:40 ` Jarkko Sakkinen
2022-10-25 0:15 ` Lino Sanfilippo
2022-11-01 1:06 ` Jarkko Sakkinen
2022-11-04 16:18 ` Lino Sanfilippo
2022-11-07 16:03 ` Jarkko Sakkinen
2022-10-17 23:57 ` [PATCH v8 09/11] tpm, tpm_tis: Request threaded interrupt handler Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 10/11] tpm, tpm_tis: Claim locality in " Lino Sanfilippo
2022-10-17 23:57 ` [PATCH v8 11/11] tpm, tpm_tis: Enable interrupt test Lino Sanfilippo
2022-10-23 4:33 ` Jarkko Sakkinen
2022-10-23 4:34 ` Jarkko Sakkinen
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