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From: "Jarkko Sakkinen" <jarkko@kernel.org>
To: "Lino Sanfilippo" <l.sanfilippo@kunbus.com>,
	"Alexander Steffen" <Alexander.Steffen@infineon.com>,
	"Daniel P. Smith" <dpsmith@apertussolutions.com>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Sasha Levin" <sashal@kernel.org>,
	<linux-integrity@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: "Ross Philipson" <ross.philipson@oracle.com>,
	"Kanth Ghatraju" <kanth.ghatraju@oracle.com>,
	"Peter Huewe" <peterhuewe@gmx.de>
Subject: Re: [PATCH 1/3] tpm: protect against locality counter underflow
Date: Wed, 21 Feb 2024 00:42:13 +0000	[thread overview]
Message-ID: <CZAC8SNXYDU6.2GHMH4MJAOA9C@seitikki> (raw)
In-Reply-To: <9da1855b-eca2-4c11-a69d-e01494c985d1@kunbus.com>

On Tue Feb 20, 2024 at 11:26 PM UTC, Lino Sanfilippo wrote:
>
>
> On 20.02.24 23:31, Jarkko Sakkinen wrote:
> > ATTENTION: This e-mail is from an external sender. Please check attachments and links before opening e.g. with mouseover.
> > 
> > 
> > On Tue Feb 20, 2024 at 10:26 PM UTC, Jarkko Sakkinen wrote:
> >> On Tue Feb 20, 2024 at 8:54 PM UTC, Lino Sanfilippo wrote:
> >>> for (i = 0; i <= MAX_LOCALITY; i++)
> >>>     __tpm_tis_relinquish_locality(priv, i);
> >>
> >> I'm pretty unfamiliar with Intel TXT so asking a dummy question:
> >> if Intel TXT uses locality 2 I suppose we should not try to
> >> relinquish it, or?
> >>
> >> AFAIK, we don't have a symbol called MAX_LOCALITY.
> > 
> > OK it was called TPM_MAX_LOCALITY :-) I had the patch set applied
> > in one branch but looked up with wrong symbol name.
> > 
>
> Sorry for the confusion. The code was just meant to sketch a solution, it was 
> written out of my head and I just remembered that Daniels patch set introduced
> some define for the max number of the localities. I did not look up the correct
> name though.

NP

BR, Jarkko

  reply	other threads:[~2024-02-21  0:42 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240131170824.6183-1-dpsmith@apertussolutions.com>
2024-01-31 17:08 ` [PATCH 1/3] tpm: protect against locality counter underflow Daniel P. Smith
2024-02-01 22:21   ` Jarkko Sakkinen
2024-02-02  3:08     ` Lino Sanfilippo
2024-02-12 20:05       ` Jarkko Sakkinen
2024-02-19 17:54         ` Daniel P. Smith
2024-02-20 18:42       ` Alexander Steffen
2024-02-20 19:04         ` Jarkko Sakkinen
2024-02-20 20:54         ` Lino Sanfilippo
2024-02-20 22:23           ` Jarkko Sakkinen
2024-02-20 23:19             ` Lino Sanfilippo
2024-02-21  0:40               ` Jarkko Sakkinen
2024-02-23  1:58             ` Daniel P. Smith
2024-02-23 12:58               ` Jarkko Sakkinen
2024-02-25 11:23                 ` Daniel P. Smith
2024-02-26  9:39                   ` Jarkko Sakkinen
2024-02-20 22:26           ` Jarkko Sakkinen
2024-02-20 22:31             ` Jarkko Sakkinen
2024-02-20 23:26               ` Lino Sanfilippo
2024-02-21  0:42                 ` Jarkko Sakkinen [this message]
2024-02-21 12:37               ` James Bottomley
2024-02-21 19:43                 ` Jarkko Sakkinen
2024-02-21 19:45                   ` Jarkko Sakkinen
2024-02-22  9:06                   ` James Bottomley
2024-02-22 23:49                     ` Jarkko Sakkinen
2024-02-23  1:57                   ` Daniel P. Smith
2024-02-23 20:40                     ` Jarkko Sakkinen
2024-02-23 20:42                       ` Jarkko Sakkinen
2024-02-23  1:57               ` Daniel P. Smith
2024-02-23 20:50                 ` Jarkko Sakkinen
2024-02-20 22:57             ` ross.philipson
2024-02-20 23:10               ` Jarkko Sakkinen
2024-02-20 23:13                 ` Jarkko Sakkinen
2024-02-23  1:56           ` Daniel P. Smith
2024-02-23 20:44             ` Jarkko Sakkinen
2024-02-24  2:34             ` Lino Sanfilippo
2024-02-26  9:38               ` Jarkko Sakkinen
2024-02-23  1:55         ` Daniel P. Smith
2024-02-26 12:43           ` Alexander Steffen
2024-02-24  2:06         ` Lino Sanfilippo
2024-02-23  0:01   ` Jarkko Sakkinen
2024-01-31 17:08 ` [PATCH 2/3] tpm: ensure tpm is in known state at startup Daniel P. Smith
2024-02-01 22:33   ` Jarkko Sakkinen
2024-02-19 19:17     ` Daniel P. Smith
2024-02-19 20:17       ` Jarkko Sakkinen
2024-01-31 17:08 ` [PATCH 3/3] tpm: make locality request return value consistent Daniel P. Smith
2024-02-01 22:49   ` Jarkko Sakkinen
2024-02-19 20:29     ` Daniel P. Smith
2024-02-19 20:45       ` Jarkko Sakkinen
2024-02-20 18:57       ` Alexander Steffen

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