linux-kernel - Re: tpm-correct-tpm-timeouts-to-jiffies-conversion.patch -> 2.6.27

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]

Message-Id: <20080912084949.008855e5.akpm@linux-foundation.org>
Date:	Fri, 12 Sep 2008 08:49:49 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Valdis.Kletnieks@...edu
Cc:	Marcin Obara <marcin_obara@...rs.sourceforge.net>,
	Jiri Slaby <jirislaby@...il.com>, tpm@...horst.net,
	kjhall@...ibm.com, linux-kernel@...r.kernel.org,
	srajiv@...ux.vnet.ibm.com, debora@...ux.vnet.ibm.com
Subject: Re: tpm-correct-tpm-timeouts-to-jiffies-conversion.patch -> 2.6.27

On Thu, 11 Sep 2008 23:10:08 -0400 Valdis.Kletnieks@...edu wrote:

> On Thu, 11 Sep 2008 12:03:52 +0200, Marcin Obara said:
> 
> > > Why?  I wasn't aware that this fixed anything which anyone had observed
> > > (pokes tongue out at the changelog).
> > >
> > 
> > This fixes i.e.: long hang while loading TPM driver, if TPM chip
> > starts in "Idle" state instead of "Ready" state.
> > Without this patch - 'modprobe' may hang for 30 seconds or more.
> > Please, push this patch into 2.6.27.
> 
> I personally don't care whether this goes into .27 or waits till .28.  However,
> I *would* appreciate it if we make sure that whenever it goes go upstream, we
> also send tpm-work-around-bug-in-broadcom-bcm0102-chipset.patch at the same
> time.
> 
> I have to admit that it's not exactly confidence inspiring - if the Broadcom
> chip gets timeout units wrong, what *other* issues lurk in its silicon?  It's
> bad enough when you find bugs in a RAID chipset or mouse hardware - it's even
> worse when it's a security chip.. ;)
> 

hm, it's rather a lot of patching just to fix a once-off 30-second
pause.  On second thoughts, let's do it all in 2.6.28.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/