From 38112b91c85831aa199174b9f52d6f90fe37307a Mon Sep 17 00:00:00 2001 From: David Miller Date: Tue, 15 May 2007 01:37:56 -0700 Subject: [PATCH] [PATCH] SPARC64: Add missing cpus_empty() check in hypervisor xcall handling. Signed-off-by: David S. Miller Signed-off-by: Chris Wright --- arch/sparc64/kernel/smp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index fc99f7b8012..8ad7bdb062d 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -566,6 +566,9 @@ 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. -- 2.11.4.GIT