linux-kernel - [031/107] xen/mmu: Fix for linker errors when CONFIG

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Message-Id: <20110708001655.729061642@clark.kroah.org>
Date:	Thu, 07 Jul 2011 17:16:03 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [031/107] xen/mmu: Fix for linker errors when CONFIG_SMP is not defined.

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

commit 32dd11942aeb47f91209a446d6b10063c5b69389 upstream.

Simple enough - we use an extern defined symbol which is not
defined when CONFIG_SMP is not defined. This fixes the linker
dying.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/x86/xen/mmu.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1354,7 +1354,11 @@ static void xen_flush_tlb_others(const s
 {
 	struct {
 		struct mmuext_op op;
+#ifdef CONFIG_SMP
 		DECLARE_BITMAP(mask, num_processors);
+#else
+		DECLARE_BITMAP(mask, NR_CPUS);
+#endif
 	} *args;
 	struct multicall_space mcs;
 


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