Merge tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...

[karo-tx-linux.git] / arch / x86 / pci / common.c

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 1f9f2ee7c421dba5120db968fbed8b7f913237ba..dbe2132b0ed4cabf19119a5fe0ffa4d89480745d 100644 (file)
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -74,8 +74,8 @@ struct pci_ops pci_root_ops = {
 };
 
 /*
- * This interrupt-safe spinlock protects all accesses to PCI
- * configuration space.
+ * This interrupt-safe spinlock protects all accesses to PCI configuration
+ * space, except for the mmconfig (ECAM) based operations.
  */
 DEFINE_RAW_SPINLOCK(pci_config_lock);