diff options
author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-08-23 00:03:00 +0200 |
---|---|---|
committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-08-23 00:03:00 +0200 |
commit | 8400146d0dc03590bba051399e4bb7e1cbf1c010 (patch) | |
tree | 4c0c88273ff31e5e5f51c10d8727acab460b57ec /arch/x86/kernel/apic/ipi.c | |
parent | 39cf0518d89d1f0af79554457c52adb5b12fa43c (diff) | |
parent | 3edf2fb9d80a46d6c32ba12547a42419845b4b76 (diff) | |
download | kernel_samsung_smdk4412-8400146d0dc03590bba051399e4bb7e1cbf1c010.zip kernel_samsung_smdk4412-8400146d0dc03590bba051399e4bb7e1cbf1c010.tar.gz kernel_samsung_smdk4412-8400146d0dc03590bba051399e4bb7e1cbf1c010.tar.bz2 |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/x86/kernel/apic/ipi.c')
-rw-r--r-- | arch/x86/kernel/apic/ipi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index dbf5445..6ef00ba 100644 --- a/arch/x86/kernel/apic/ipi.c +++ b/arch/x86/kernel/apic/ipi.c @@ -106,6 +106,9 @@ void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector) unsigned long mask = cpumask_bits(cpumask)[0]; unsigned long flags; + if (WARN_ONCE(!mask, "empty IPI mask")) + return; + local_irq_save(flags); WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]); __default_send_IPI_dest_field(mask, vector, apic->dest_logical); |