--- linux-2.6.17.8.orig/include/asm-i386/msr.h	2006-08-06 21:18:54.000000000 -0700
+++ linux-2.6.17.8/include/asm-i386/msr.h	2006-08-20 14:38:35.000000000 -0700
@@ -225,6 +225,9 @@ static inline void wrmsrl (unsigned long
 #define MSR_P4_U2L_ESCR0 		0x3b0
 #define MSR_P4_U2L_ESCR1 		0x3b1
 
+#define MSR_IA32_PEBS_ENABLE		0x3f1
+#define MSR_PEBS_MATRIX_VERT		0x3f2
+
 /* AMD Defined MSRs */
 #define MSR_K6_EFER			0xC0000080
 #define MSR_K6_STAR			0xC0000081