From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Laurent Bigonville <bigon@debian.org>,
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Alexander.Steffen@infineon.com, linux-integrity@vger.kernel.org
Subject: Re: [tpmdd-devel] tpm device not showing up in /dev anymore
Date: Sat, 11 Nov 2017 08:45:16 -0700 [thread overview]
Message-ID: <20171111154516.GI17451@ziepe.ca> (raw)
In-Reply-To: <20171110205300.eyfkoyabobv7llgb@localhost.localdomain>
On Fri, Nov 10, 2017 at 01:53:00PM -0700, Jerry Snitselaar wrote:
> I wonder if it is possible that the release locality from the probe
> isn't completing on the chip until after the request/check that
> happens at the beginning of the tpm_get_timeouts. Perhaps we need
> something like wait_for_tpm_stat for the access register, and
> verifying that locality was released before returning out of
> release_locality?
This is not a bad guess.. Adding a largish delay after
release_locality might be interesting too.
Are we sure our tis request/release process is even right? Another
options is that the 'check if already in locality' doesn't work on
this chip, or isn't coded right...
Jason
next prev parent reply other threads:[~2017-11-11 15:45 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-28 11:28 tpm device not showing up in /dev anymore Laurent Bigonville
[not found] ` <f9526f55-df96-64fc-a4d6-877ce04e7156-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
2017-08-29 16:00 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
[not found] ` <dcad0104c46d4d5f88e642862bdb42c2-nFblLGNE8XKJSz+rYg/bSJowlv4uC7bZ@public.gmane.org>
2017-08-29 16:35 ` Laurent Bigonville
[not found] ` <47c4300b-8701-79a6-1c58-3a5853f4c5e3-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
2017-08-29 17:39 ` Peter Huewe
2017-08-29 18:55 ` Laurent Bigonville
[not found] ` <595efb25-8d87-f39d-037f-9c9a98462339-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
2017-08-31 12:10 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
[not found] ` <857106e4bb864bb8a68b1381fffc8f50-nFblLGNE8XKJSz+rYg/bSJowlv4uC7bZ@public.gmane.org>
2017-08-31 16:40 ` Jerry Snitselaar
2017-09-01 12:10 ` Laurent Bigonville
[not found] ` <0d9be244-ace0-030d-6ff9-c4e94c63b7e9-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
2017-09-06 4:05 ` Jarkko Sakkinen
2017-10-14 8:13 ` [tpmdd-devel] " Jerry Snitselaar
2017-10-14 8:13 ` Jerry Snitselaar
2017-10-21 8:53 ` [tpmdd-devel] " Laurent Bigonville
2017-10-21 8:53 ` Laurent Bigonville
2017-10-23 13:23 ` [tpmdd-devel] " Jarkko Sakkinen
2017-10-23 13:23 ` Jarkko Sakkinen
2017-10-23 13:45 ` [tpmdd-devel] " Jerry Snitselaar
2017-10-23 13:45 ` Jerry Snitselaar
2017-10-23 13:48 ` [tpmdd-devel] " Laurent Bigonville
2017-10-23 13:48 ` Laurent Bigonville
2017-10-24 13:51 ` [tpmdd-devel] " Jarkko Sakkinen
2017-10-24 13:51 ` Jarkko Sakkinen
2017-10-24 14:57 ` [tpmdd-devel] " Jerry Snitselaar
2017-10-24 14:57 ` Jerry Snitselaar
2017-10-24 16:07 ` [tpmdd-devel] " Jarkko Sakkinen
2017-10-24 16:07 ` Jarkko Sakkinen
2017-11-09 0:04 ` [tpmdd-devel] " Laurent Bigonville
2017-11-09 0:04 ` Laurent Bigonville
2017-11-09 19:58 ` [tpmdd-devel] " Laurent Bigonville
2017-11-09 19:58 ` Laurent Bigonville
2017-11-09 23:50 ` [tpmdd-devel] " Jerry Snitselaar
2017-11-09 23:50 ` Jerry Snitselaar
2017-11-10 2:19 ` [tpmdd-devel] " Jerry Snitselaar
2017-11-10 2:19 ` Jerry Snitselaar
2017-11-10 0:28 ` [tpmdd-devel] " Jerry Snitselaar
2017-11-10 7:07 ` Jerry Snitselaar
2017-11-10 8:21 ` Laurent Bigonville
2017-11-10 20:53 ` Jerry Snitselaar
2017-11-11 15:45 ` Jason Gunthorpe [this message]
2017-11-11 19:12 ` Jerry Snitselaar
2017-11-11 19:46 ` Jason Gunthorpe
2017-11-11 20:31 ` Jerry Snitselaar
2017-11-14 0:26 ` Laurent Bigonville
2017-11-14 2:45 ` Jason Gunthorpe
2017-11-14 14:59 ` Jarkko Sakkinen
2017-11-14 15:17 ` James Bottomley
2017-11-17 13:16 ` Jarkko Sakkinen
2018-01-02 23:54 ` Laurent Bigonville
2018-01-03 0:33 ` Jerry Snitselaar
2018-01-05 19:01 ` Laurent Bigonville
2018-02-09 10:53 ` Laurent Bigonville
2018-02-14 11:44 ` Jarkko Sakkinen
2018-03-09 17:24 ` Laurent Bigonville
2018-03-15 16:24 ` Jarkko Sakkinen
2018-05-03 11:38 ` Laurent Bigonville
2018-05-03 17:43 ` Jerry Snitselaar
2018-05-04 8:20 ` Jarkko Sakkinen
2018-05-04 8:18 ` Jarkko Sakkinen
2018-05-04 14:22 ` Jerry Snitselaar
2017-11-14 14:55 ` Jarkko Sakkinen
2017-11-14 14:43 ` Jarkko Sakkinen
2017-10-25 8:04 ` Laurent Bigonville
2017-10-25 8:04 ` Laurent Bigonville
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