linux-kernel - Re: [PATCH] PCI: do not delay when changing power states on Geode

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: <20070706110518.13399132@the-village.bc.nu>
Date:	Fri, 6 Jul 2007 11:05:18 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jordan Crouse <jordan.crouse@....com>,
	info-linux@...de.amd.com, gregkh@...e.de,
	linux-pci@...ey.karlin.mff.cuni.cz, tsylla@...il.com
Subject: Re: [PATCH] PCI: do not delay when changing power states on Geode

On Thu, 5 Jul 2007 22:13:51 -0400
Andres Salomon <dilinger@...ued.net> wrote:

> Geode hardware requires no delay when doing power transition for PCI;
> the board doesn't even have a real PCI bus.  Thanks to Tom Sylla for
> pointing this out.  We can save precious milliseconds when changing power
> states to D3hot by getting rid of this delay.
> 
> We do this as a PCI quirk.

NAK

These systems may have other components on them which require the proper
transition times and the CS5530 supports external real PCI devices.

Alan
-
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/