Subject: Re: RFC: [2.6 patch] better i386 CPU selection
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Robert Schwebel <robert@schwebel.de>
Cc: Adrian Bunk <bunk@fs.tum.de>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Rusty Russell <rusty@rustcorp.com.au>,
       Russell King <rmk@arm.linux.org.uk>
In-Reply-To: <20030907182628.GC482@pengutronix.de>
References: <20030907112813.GQ14436@fs.tum.de>
	 <20030907124251.GC5460@pengutronix.de> <20030907130034.GT14436@fs.tum.de>
	 <1062955895.16972.13.camel@dhcp23.swansea.linux.org.uk>
	 <20030907174834.GA482@pengutronix.de>
	 <1062957851.16964.42.camel@dhcp23.swansea.linux.org.uk>
	 <20030907182628.GC482@pengutronix.de>
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
Message-Id: <1062962239.19073.9.camel@dhcp23.swansea.linux.org.uk>
Mime-Version: 1.0
Date: Sun, 07 Sep 2003 20:17:26 +0100
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 801
Lines: 18

On Sul, 2003-09-07 at 19:26, Robert Schwebel wrote:
> my first RTAI tests it surely has several problems which might require
> an #ifdef CONFIG_MGEODE or something similar. As long as this is
> possible everything's ok with me ;)

Lots of the geode hardware is emulated by SMM code, it makes hard real
time on the Geode an 'interesting' world and does limit the latency you
can achieve. Its actually a lot better than say the Dell BIOS battery
SMM seems to be but its not insubstantial at times.

rdtsc before and after an inb/outb is most fascinating 8)


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/