From: Andreas Schwab <schwab@suse.de>
To: linux-ia64@vger.kernel.org
Subject: Re: Probing for physical number of cpus.
Date: Fri, 28 Oct 2005 12:43:50 +0000 [thread overview]
Message-ID: <jeek65n75l.fsf@sykes.suse.de> (raw)
In-Reply-To: <200510281318.51532.Roy.Dragseth@cc.uit.no>
Roy Dragseth <Roy.Dragseth@cc.uit.no> writes:
> Do anyone know how to figure out the physical number of cpus in an ia64
> system? No, /proc/cpuinfo wont do because the kernel is booted with
> maxcpus=1.
Read and parse the ACPI tables off of /dev/mem, starting with the address
from /sys/firmware/efi/systab.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2005-10-28 12:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-28 11:18 Probing for physical number of cpus Roy Dragseth
2005-10-28 12:43 ` Andreas Schwab [this message]
2005-11-03 8:10 ` Roy Dragseth
2005-11-03 21:06 ` Ashok Raj
2005-11-07 10:20 ` Roy Dragseth
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