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From: "Winkler, Tomas" <tomas.winkler@intel.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: "Usyskin, Alexander" <alexander.usyskin@intel.com>,
	"linux-integrity@vger.kernel.org"
	<linux-integrity@vger.kernel.org>,
	"linux-security-module@vger.kernel.org"
	<linux-security-module@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 3/3] tpm: add longer timeouts for creation commands.
Date: Wed, 24 Jan 2018 21:29:19 +0000	[thread overview]
Message-ID: <5B8DA87D05A7694D9FA63FD143655C1B94203937@hasmsx108.ger.corp.intel.com> (raw)
In-Reply-To: <20180123131203.bdhlqdqabhtwnipi@linux.intel.com>



> -----Original Message-----
> From: Jarkko Sakkinen [mailto:jarkko.sakkinen@linux.intel.com]
> Sent: Tuesday, January 23, 2018 15:12
> To: Winkler, Tomas <tomas.winkler@intel.com>
> Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>; Usyskin,
> Alexander <alexander.usyskin@intel.com>; tpmdd-
> devel@lists.sourceforge.net; linux-integrity@vger.kernel.org; linux-security-
> module@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH 3/3] tpm: add longer timeouts for creation commands.
> 
> On Tue, Jan 23, 2018 at 01:27:31PM +0200, Tomas Winkler wrote:
> > TPM2_CC_Create(0x153) and TPM2_CC_CreatePrimary (0x131) involve
> > generation of crypto keys which can be a computationally intensive task.
> > The timeout is set to 3min.
> >
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> 
> From where are these numbers are derived from?

An Intel SW architect.
 
> 
> Can you send 1/3 and 2/3 as a separate patch set with a cover letter (with
> explanation) and this as a separate patch? This is unrelated to first two
> changes albeit might make sense.

Will do, though the patches were born to  address the initialization issues we've encountered.
Thanks
Tomas

  reply	other threads:[~2018-01-24 21:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-23 11:27 [PATCH 1/3] tpm: cmd_ready command can be issued only after granting locality Tomas Winkler
2018-01-23 11:27 ` [PATCH 2/3] tpm: separate cmd_ready/go_idle from runtime_pm Tomas Winkler
2018-01-23 13:08   ` Jarkko Sakkinen
2018-01-23 15:33     ` Jason Gunthorpe
2018-01-29  8:42       ` Jarkko Sakkinen
2018-01-23 11:27 ` [PATCH 3/3] tpm: add longer timeouts for creation commands Tomas Winkler
2018-01-23 13:12   ` Jarkko Sakkinen
2018-01-24 21:29     ` Winkler, Tomas [this message]
2018-01-23 12:54 ` [PATCH 1/3] tpm: cmd_ready command can be issued only after granting locality Jarkko Sakkinen
2018-01-24 18:33   ` Winkler, Tomas
2018-01-29  8:44     ` Jarkko Sakkinen
2018-02-01 22:08       ` Winkler, Tomas

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