From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Tadeusz Struk <tstruk@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Mario Limonciello <mario.limonciello@dell.com>,
Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
Jeffrin Jose T <jeffrin@rajagiritech.edu.in>,
Alex Guzman <alex@guzman.io>
Subject: Re: [PATCH] tpm: Revert "tpm: fix invalid locking in NONBLOCKING mode"
Date: Thu, 28 May 2020 09:55:27 +0300 [thread overview]
Message-ID: <20200528065527.GE188849@linux.intel.com> (raw)
In-Reply-To: <e939739d-d193-95e8-c142-4efa57be2502@gmail.com>
On Wed, May 27, 2020 at 09:40:25PM -0700, Tadeusz Struk wrote:
> On 5/27/20 5:30 PM, Jarkko Sakkinen wrote:
> >> This won't help if the message is read by an async tcti. If the problem lies
> >> in the chip get locality code, perhaps this could help to debug the root-cause
> >> instead of masking it out in the upper layer code:
> > What is TCTI and async TCTI? Not following.
>
> TPM Command Transmission Interface (TCTI) as defined by TCG in
> https://trustedcomputinggroup.org/resource/tss-tcti-specification/
>
> the reason we added the O_NONBLOCK mode was to satisfy the TCG spec for async TCTI.
>
> Thanks,
> Tadeusz
OK, thanks recalling.
/Jarkko
prev parent reply other threads:[~2020-05-28 6:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 18:32 [PATCH] tpm: Revert "tpm: fix invalid locking in NONBLOCKING mode" Mario Limonciello
2020-05-26 19:14 ` James Bottomley
2020-05-26 19:23 ` Mario.Limonciello
2020-05-26 19:38 ` James Bottomley
2020-05-26 22:19 ` Alex Guzman
2020-05-26 23:06 ` James Bottomley
2020-05-26 23:31 ` Alex Guzman
2020-05-27 0:18 ` James Bottomley
2020-05-27 20:09 ` Jarkko Sakkinen
2020-05-27 20:18 ` Mario.Limonciello
2020-05-28 0:43 ` Jarkko Sakkinen
2020-05-28 0:59 ` Mario.Limonciello
2020-05-28 6:53 ` Jarkko Sakkinen
2020-05-27 20:15 ` Jarkko Sakkinen
2020-05-28 1:10 ` Alex Guzman
2020-05-28 6:54 ` Jarkko Sakkinen
2020-05-28 22:33 ` James Bottomley
2020-05-26 19:39 ` Tadeusz Struk
2020-05-26 20:00 ` James Bottomley
2020-05-26 21:33 ` Tadeusz Struk
2020-05-26 22:34 ` Alex Guzman
2020-05-28 0:30 ` Jarkko Sakkinen
2020-05-28 4:40 ` Tadeusz Struk
2020-05-28 6:55 ` Jarkko Sakkinen [this message]
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