From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Wed, 09 Mar 2005 18:59:52 +0000 Subject: Re: [PATCH] Documentation update about pal_halt_light Message-Id: <16943.18344.12333.503614@napali.hpl.hp.com> List-Id: References: <422F1246.80008@lifl.fr> In-Reply-To: <422F1246.80008@lifl.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Wed, 09 Mar 2005 16:12:06 +0100, Eric Piel said: Eric> Hello, I had to hang around in the code to find this Eric> invaluable option "nohalt". Let's document it! Eric> That's a trivial documentation update, please apply. Good catch. I thought it was documented already. Perhaps it got lost. In any case, I think it would be good to mention why someone might want to turn it on. Perhaps something along the lines of: "This increases power-consumption. On the positive side, it reduces interrupt wake-up latency, which may improve performance in certain environments such as networked servers." --david Eric> -- Documentation update about pal_halt_light on IA-64 Eric> Signed-off-by: Eric Piel -- --- Eric> kernel-parameters.txt.bak 2005-03-09 15:39:10.348323818 +0100 Eric> +++ kernel-parameters.txt 2005-03-09 15:55:19.583141065 +0100 Eric> @@ -837,6 +837,9 @@ instruction doesn't work correctly and not Eric> to use it. Eric> + nohalt [IA-64] Tells the kernel not to use the power saving Eric> + function PAL_HALT_LIGHT when idle. + noirqdebug [IA-32] Eric> Disables the code which attempts to detect and disable Eric> unhandled interrupt sources.