diff options
| author | David Miller <davem@davemloft.net> | 2007-05-15 01:37:56 -0700 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2007-05-23 14:32:51 -0700 |
| commit | 38112b91c85831aa199174b9f52d6f90fe37307a (patch) | |
| tree | ec42c6d1c0590d18ffb60ed822b85269d5e1c028 | |
| parent | 5cbcd44ff2faa79a67309aed70153f910fd9fd5e (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>
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index fc99f7b8012f..8ad7bdb062d4 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. |