From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Hansen <haveblue@us.ibm.com>
Subject: 2.6.23 git current compile error on UP
Date: Thu, 08 Nov 2007 11:55:49 -0800
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Cc: Avi Kivity <avi@qumranet.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	kvm-devel <kvm-devel@lists.sourceforge.net>,
	aliguori <aliguori@linux.vnet.ibm.com>
To: Laurent Vivier <Laurent.Vivier@bull.net>
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drivers/kvm/kvm_main.c: In function `kvm_flush_remote_tlbs':
drivers/kvm/kvm_main.c:220: error: implicit declaration of function `smp_call_function_mask'
make[2]: *** [drivers/kvm/kvm_main.o] Error 1
make[1]: *** [drivers/kvm] Error 2

http://sr71.net/~dave/linux/config-kvm-up

Looks like that function calls smp_call_function_mask() which is never
defined for UP.  Nobody else uses it that way, so I'm not sure what the
right fix is.  I'm not even sure kvm_flush_remote_tlbs() is safe with
its raw_smp_processor_id() use.  Is there a reason it can't get
preempted?

-- Dave