linux-kernel - Re: [tpmdd-devel] [RESEND][PATCH] tpm: read burstcount from TPM

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] [day] [month] [year] [list]

Date:	Tue, 19 Jul 2016 17:41:39 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	apronin@...omium.org
Cc:	Christophe Ricard <christophe.ricard@...il.com>,
	linux-kernel@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net,
	linux-security-module@...r.kernel.org, leendert@...son.ibm.com
Subject: Re: [tpmdd-devel] [RESEND][PATCH] tpm: read burstcount from TPM_STS
 in one 32-bit transaction

On Fri, Jul 01, 2016 at 11:45:45AM +0300, Jarkko Sakkinen wrote:
> On Fri, Jul 01, 2016 at 11:43:23AM +0300, Jarkko Sakkinen wrote:
> > On Thu, Jun 30, 2016 at 10:25:43AM -0700, apronin@...omium.org wrote:
> > > From: Andrey Pronin <apronin@...omium.org>
> > > 
> > > Some chips incorrectly support partial reads from TPM_STS register
> > > at non-zero offsets. Read the entire 32-bits register instead of
> > > making two 8-bit reads to support such devices and reduce the number
> > > of bus transactions when obtaining the burstcount from TPM_STS.
> > > 
> > > Signed-off-by: Andrey Pronin <apronin@...omium.org>
> > 
> > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> 
> Applied to my master branch.

I added also added a fixes line.

/Jarkko