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authorDavid Miller <davem@davemloft.net>2007-05-15 01:37:56 -0700
committerChris Wright <chrisw@sous-sol.org>2007-05-23 14:32:51 -0700
commit38112b91c85831aa199174b9f52d6f90fe37307a (patch)
treeec42c6d1c0590d18ffb60ed822b85269d5e1c028 /arch
parent5cbcd44ff2faa79a67309aed70153f910fd9fd5e (diff)
[PATCH] SPARC64: Add missing cpus_empty() check in hypervisor xcall handling.
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc64/kernel/smp.c3
1 files changed, 3 insertions, 0 deletions
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.