--- linux.original/include/asm-i386/acpi.h	2004/08/26 13:13:44
+++ linux/include/asm-i386/acpi.h	2004/08/26 13:14:33
@@ -101,6 +101,11 @@
         :"=r"(n_hi), "=r"(n_lo)     \
         :"0"(n_hi), "1"(n_lo))
 
+/*
+ * Refer Intel ACPI _PDC support document for bit definitions
+ */
+#define ACPI_PDC_EST_CAPABILITY_SMP 	0xa
+#define ACPI_PDC_EST_CAPABILITY_MSR	0x1
 
 #ifdef CONFIG_ACPI_BOOT 
 extern int acpi_lapic;
