linux-kernel - 2.6.23 git current compile error on UP

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Date:	Thu, 08 Nov 2007 11:55:49 -0800
From:	Dave Hansen <haveblue@...ibm.com>
To:	Laurent Vivier <Laurent.Vivier@...l.net>
Cc:	Avi Kivity <avi@...ranet.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kvm-devel <kvm-devel@...ts.sourceforge.net>,
	aliguori <aliguori@...ux.vnet.ibm.com>
Subject: 2.6.23 git current compile error on UP

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

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