From: Jason Gunthorpe <jgg@ziepe.ca>
To: Ken Goldman <kgold@linux.vnet.ibm.com>
Cc: linux-integrity@vger.kernel.org
Subject: Re: FW: [RFC PATCH] tpm: don't return -EINVAL if TPM command validation fails
Date: Fri, 8 Dec 2017 13:20:45 -0700 [thread overview]
Message-ID: <20171208202045.GA19705@ziepe.ca> (raw)
In-Reply-To: <5c695f48-77f2-b3ca-8d71-118c44161d50@linux.vnet.ibm.com>
On Fri, Dec 08, 2017 at 03:16:53PM -0500, Ken Goldman wrote:
> First, to handle the error, the user space TSS would have to know that the
> RM is mapping what would normally (with the simulator or /dev/tpm0) be the
> usual TPM response packet. This mapping isn't documented anywhere.
There are lots of failure cases that have nothing to do with the TPM,
and I really don't want to see complex code mapping traditional POSIX
errors into TPM packets in the kernel.
If you need that, do it in userspace??
Jason
next prev parent reply other threads:[~2017-12-08 20:20 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 10:07 [RFC PATCH] tpm: don't return -EINVAL if TPM command validation fails Javier Martinez Canillas
2017-11-17 16:57 ` Jason Gunthorpe
2017-11-17 17:56 ` Javier Martinez Canillas
2017-11-17 17:58 ` Jason Gunthorpe
2017-11-17 18:10 ` Javier Martinez Canillas
2017-11-17 18:17 ` Jason Gunthorpe
2017-11-17 18:34 ` Javier Martinez Canillas
2017-11-17 19:14 ` Roberts, William C
2017-11-17 23:55 ` Jason Gunthorpe
2017-11-18 0:53 ` Javier Martinez Canillas
2017-11-19 15:27 ` Jason Gunthorpe
2017-11-20 9:26 ` Javier Martinez Canillas
2017-11-20 16:14 ` Roberts, William C
2017-11-20 18:02 ` Jason Gunthorpe
2017-11-20 18:04 ` Jason Gunthorpe
2017-12-08 20:03 ` Ken Goldman
2017-12-08 20:18 ` Jason Gunthorpe
2017-12-08 19:58 ` Ken Goldman
2017-11-20 23:15 ` Jarkko Sakkinen
2017-11-21 9:07 ` Javier Martinez Canillas
2017-11-21 9:27 ` Javier Martinez Canillas
2017-11-21 12:30 ` Jarkko Sakkinen
2017-11-21 12:49 ` Javier Martinez Canillas
[not found] ` <DB638850A6A2434A93ECADDA0BC838905F09D5D9@ORSMSX103.amr.corp.intel.com>
2017-11-22 17:16 ` FW: " flihp
2017-11-22 19:25 ` Javier Martinez Canillas
2017-11-26 14:21 ` Jarkko Sakkinen
2017-11-29 11:26 ` Javier Martinez Canillas
2017-11-22 20:13 ` Jason Gunthorpe
2017-12-08 20:16 ` Ken Goldman
2017-12-08 20:20 ` Jason Gunthorpe [this message]
2017-11-26 14:18 ` Jarkko Sakkinen
2017-11-26 23:23 ` Javier Martinez Canillas
2017-11-26 14:14 ` Jarkko Sakkinen
2017-11-21 20:29 ` Roberts, William C
2017-11-22 9:26 ` Javier Martinez Canillas
2017-11-26 14:12 ` Jarkko Sakkinen
2017-11-26 23:19 ` Javier Martinez Canillas
2017-12-08 20:11 ` Ken Goldman
2017-11-26 14:06 ` Jarkko Sakkinen
2017-12-08 20:20 ` Ken Goldman
2017-12-08 21:34 ` Javier Martinez Canillas
2017-12-17 16:47 ` Jarkko Sakkinen
2017-12-17 18:18 ` Javier Martinez Canillas
2017-12-22 17:38 ` Ken Goldman
2017-12-14 13:11 ` Jarkko Sakkinen
2017-12-08 19:51 ` Ken Goldman
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