diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.2.5.40/arch/i386/kernel/mca.c linux.2.5.40-ac1/arch/i386/kernel/mca.c
--- linux.2.5.40/arch/i386/kernel/mca.c 2002-10-02 21:33:55.000000000 +0100
+++ linux.2.5.40-ac1/arch/i386/kernel/mca.c 2002-10-02 21:37:04.000000000 +0100
@@ -106,6 +106,8 @@
/*
* Motherboard register spinlock. Untested on SMP at the moment, but
* are there any MCA SMP boxes?
+ *
+ * Yes - Alan
*/
static spinlock_t mca_lock = SPIN_LOCK_UNLOCKED;