modify file names and create directories

arch/x86/kernel/lock.c

@@ -0,0 +1,35 @@
+#include <aal/lock.h>
+
+#if 0
+
+void aal_mc_spinlock_init(aal_spinlock_t *lock)
+{
+	*lock = 0;
+}
+
+void aal_mc_spinlock_lock(aal_spinlock_t *lock, unsigned long *flags)
+{
+	int inc = 0x00010000;
+	int tmp;
+	
+	cpu_disable_interrupt_save(flags);
+	asm volatile("lock ; xaddl %0, %1\n"
+	             "movzwl %w0, %2\n\t"
+	             "shrl $16, %0\n\t"
+	             "1:\t"
+	             "cmpl %0, %2\n\t"
+	             "je 2f\n\t"
+	             "rep ; nop\n\t"
+	             "movzwl %1, %2\n\t"
+	             "jmp 1b\n"
+	             "2:"
+	             : "+Q" (inc), "+m" (*lock), "=r" (tmp) : : "memory", "cc");
+}
+
+void aal_mc_spinlock_unlock(aal_spinlock_t *lock, unsigned long *flags)
+{
+	asm volatile ("lock incw %0" : "+m"(*lock) : : "memory", "cc");
+	cpu_restore_interrupt(*flags);
+}
+
+#endif