From: Arun Sharma <arun.sharma@intel.com>
To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@unisys.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Fix for 'acpi=off'
Date: Thu, 05 May 2005 17:51:07 -0700 [thread overview]
Message-ID: <427ABF7B.1010609@intel.com> (raw)
In-Reply-To: <EF8D308BE33AF54D8934DF26520252D301B53F81@USTR-EXCH5.na.uis.unisys.com>
Puthiyaparambil, Aravindh wrote:
> I am a little confused here.
>
> I have configured Dom0 to be a uniprocessor kernel. Shouldn't that stop
> SMP specific code from being executed?
No, X86_FIND_SMP_CONFIG defaults to y.
>
> Won't setting num_processors=1 cause Dom0 to always be uniproc even if
> SMP is turned on?
>
Xen0-smp doesn't need to look at the MP table to figure out how many
virtual processors there are. There are other mechanisms to discover
virtual processors.
The MP table is needed mostly to setup the IOAPICs and the interrupt
routing.
-Arun
next prev parent reply other threads:[~2005-05-06 0:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-06 0:44 Fix for 'acpi=off' Puthiyaparambil, Aravindh
2005-05-06 0:51 ` Arun Sharma [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-06 13:49 Puthiyaparambil, Aravindh
[not found] <mailman.1115333931.17390@unix-os.sc.intel.com>
2005-05-05 23:09 ` Arun Sharma
2005-05-06 6:06 ` Keir Fraser
2005-05-05 22:54 Puthiyaparambil, Aravindh
2005-05-06 6:08 ` Keir Fraser
2005-05-05 18:06 Keir Fraser
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