linux-kernel - Re: [PATCH] tpm_tis: Fix interrupt probing

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: <20190829132021.6vfc535ecb62jokf@linux.intel.com>
Date:   Thu, 29 Aug 2019 16:20:21 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Stefan Berger <stefanb@...ux.ibm.com>
Cc:     Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tpm_tis: Fix interrupt probing

On Tue, Aug 27, 2019 at 03:34:36PM -0400, Stefan Berger wrote:
> On 8/27/19 11:19 AM, Jarkko Sakkinen wrote:
> > On Tue, Aug 27, 2019 at 04:14:00PM +0300, Jarkko Sakkinen wrote:
> > > On Tue, Aug 20, 2019 at 08:25:17AM -0400, Stefan Berger wrote:
> > > > From: Stefan Berger <stefanb@...ux.ibm.com>
> > > > 
> > > > The interrupt probing of the TPM TIS was broken since we are trying to
> > > > run it without an active locality and without the TPM_CHIP_FLAG_IRQ set.
> > > > 
> > > > Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
> > > Need these:
> > > 
> > > Cc: linux-stable@...r.kernel.org
> > > Fixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()")
> > > 
> > > Thank you. I'll apply this to my tree.
> > > 
> > > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> > The commit went in the following form:
> > 
> > http://git.infradead.org/users/jjs/linux-tpmdd.git/commit/9b558deab2c5d7dc23d5f7a4064892ede482ad32
> 
> I saw you dropped the stetting of the IRQ flag - I needed it, otherwise it
> wouldn't execute certain code paths.

I explained why I removed that part. There was no any reasoning for
it. Also, it cannot be in the same commit if it fixes a diffent
issue.


/Jarkko