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x86/PCI: only check for spinlock being held in SMP kernels 

spin_is_locked() is always false on UP kernels: spin_lock_irqsave() does no
locking, so we can't tell whether the lock is held or not.  Therefore,
this warning is only valid for SMP kernels.

CC: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
hifive-unleashed-5.1
Bjorn Helgaas 2012-05-15 17:01:09 -06:00
parent 74d24b219b
commit 867aae6ebe
1 changed files with 1 additions and 1 deletions
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2
arch/x86/pci/i386.c
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@ -57,7 +57,7 @@ static struct pcibios_fwaddrmap *pcibios_fwaddrmap_lookup(struct pci_dev *dev)
{
struct pcibios_fwaddrmap *map;
WARN_ON(!spin_is_locked(&pcibios_fwaddrmap_lock));
WARN_ON_SMP(!spin_is_locked(&pcibios_fwaddrmap_lock));
list_for_each_entry(map, &pcibios_fwaddrmappings, list)
if (map->dev == dev)