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authorRalf Baechle <ralf@linux-mips.org>2005-07-15 15:44:02 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:55 +0100
commitae1b3d51c89a96c641111e2c103557592577cf51 (patch)
tree1aae0a75db788d079c5e79646082bec192709250 /arch/mips/kernel/smp.c
parent1d40cfcd3442a53e98468cdb3e6d4d9a568d76cf (diff)
Make sure that the processor is actually online or die spectacularly.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 25762917e822..798fce509398 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -142,6 +142,11 @@ int smp_call_function (void (*func) (void *info), void *info, int retry,
int i, cpus = num_online_cpus() - 1;
int cpu = smp_processor_id();
+ /*
+ * Can die spectacularly if this CPU isn't yet marked online
+ */
+ BUG_ON(!cpu_online(cpu));
+
if (!cpus)
return 0;

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