linux-kernel - Re: [PATCH 4/8] Force detect and enable HPET on ICH

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]

Date:	Mon, 21 May 2007 02:58:22 +0200
From:	"Udo A. Steinberg" <us15@...inf.tu-dresden.de>
To:	Venki Pallipadi <venkatesh.pallipadi@...el.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Thomas Gleixner <tglx@...utronix.de>, Andi Kleen <ak@...e.de>,
	Ingo Molnar <mingo@...e.hu>, Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH 4/8] Force detect and enable HPET on ICH

On Mon, 7 May 2007 13:31:28 -0700 Venki Pallipadi (VP) wrote:

VP> Force detect and/or enable HPET on ICH chipsets. This patch just handles the
VP> detection part and following patches use this information.
VP> 
VP> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>

Venki,

Is there any reason your patch only enables HPET on ICH6 and beyond? HPET can
be enabled on earlier ICH by setting bit 17 in GEN_CNTL on PCI dev 31, func 0,
offset d0. This seems to work for ICH3/4/5. Are there any errata affecting
these ICHs?

Cheers,

	- Udo

-- 
Dipl.-Inf. Udo Steinberg                     
Technische Universität Dresden               http://os.inf.tu-dresden.de/~us15
Institute for System Architecture            Tel: +49 351 463 38401
D-01062 Dresden                              Fax: +49 351 463 38284

Download attachment "signature.asc" of type "application/pgp-signature" (190 bytes)