linux-kernel - Re: [PATCH] tpm_crb: request and relinquish locality 0

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170311002709.GA14174@obsidianresearch.com>
Date:   Fri, 10 Mar 2017 17:27:09 -0700
From:   Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     tpmdd-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org,
        Jerry Snitselaar <jsnitsel@...hat.com>, gang.wei@...el.com,
        Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tpm_crb: request and relinquish locality 0

On Sat, Mar 11, 2017 at 01:58:00AM +0200, Jarkko Sakkinen wrote:
> Added two new callbacks to struct tpm_class_ops:
> 
> - request_locality
> - relinquish_locality
> 
> These are called before sending and receiving data from the TPM.

If we are going to add new ops, I think we should also adjust the
existing drivers to use this mechanism as well?

eg tis just calls its request_locality as the first thing in send..

Jason