Messages in this thread | | | Date | Mon, 30 Jan 2017 23:46:43 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [tpmdd-devel] [PATCH v2 1/2] tpm2: add session handle context saving and restoring to the space code |
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On Sun, Jan 29, 2017 at 07:35:32PM -0500, Ken Goldman wrote: > On 1/27/2017 7:32 PM, James Bottomley wrote: > > > > Sessions are also isolated during each instance of a tpm space. This > > means that spaces shouldn't be able to see each other's sessions and > > is enforced by ensuring that a space user may only refer to sessions > > handles that are present in their own chip->session_tbl. Finally when > > a space is closed, all the sessions belonging to it should be flushed > > so the handles may be re-used by other spaces. > > This should be true for transient objects as well.
Transient objects do not need anything special. All transient objects are flushed after command-response so you implicitly get the isolation.
/Jarkko
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