From cbf8a48b561da69043f747f86ed735c4a9e786ef Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Mon, 14 May 2007 02:01:52 -0700
Subject: [PATCH] --- yaml --- r: 56365 b: refs/heads/master c:
 17f34f0ec96783851abcabf9878f8237ac67e4e7 h: refs/heads/master i:   56363:
 378af0cdb2789adbcb333aa6c318d80f47dbe5dd v: v3

---
 [refs]                          | 2 +-
 trunk/arch/sparc64/kernel/smp.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 27ff707c9438..f65fbe6f82f4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ec6fb1ad84551741c14a05918cc0e04dea928fc0
+refs/heads/master: 17f34f0ec96783851abcabf9878f8237ac67e4e7
diff --git a/trunk/arch/sparc64/kernel/smp.c b/trunk/arch/sparc64/kernel/smp.c
index 8087d67a0cf8..24fdf1d0adc5 100644
--- a/trunk/arch/sparc64/kernel/smp.c
+++ b/trunk/arch/sparc64/kernel/smp.c
@@ -561,6 +561,9 @@ static void hypervisor_xcall_deliver(u64 data0, u64 data1, u64 data2, cpumask_t
 	unsigned long flags, status;
 	int cnt, retries, this_cpu, prev_sent, i;
 
+	if (cpus_empty(mask))
+		return;
+
 	/* We have to do this whole thing with interrupts fully disabled.
 	 * Otherwise if we send an xcall from interrupt context it will
 	 * corrupt both our mondo block and cpu list state.