diff -u -ru linux-2.6.34/arch/powerpc/include/asm/reg.h linux-2.6.34-fix/arch/powerpc/include/asm/reg.h
--- linux-2.6.34/arch/powerpc/include/asm/reg.h	2010-05-16 23:17:36.000000000 +0200
+++ linux-2.6.34-fix/arch/powerpc/include/asm/reg.h	2010-06-16 08:43:28.000000000 +0200
@@ -272,6 +272,7 @@
 #define HID0_DAPUEN	(1<<8)		/* Debug APU enable */
 #define HID0_SGE	(1<<7)		/* Store Gathering Enable */
 #define HID0_SIED	(1<<7)		/* Serial Instr. Execution [Disable] */
+#define HID0_EN_MAS7_UPDATE (1<<7)      /* tlbre/tlbsx update MAS7 - e500v2 */
 #define HID0_DCFA	(1<<6)		/* Data Cache Flush Assist */
 #define HID0_LRSTK	(1<<4)		/* Link register stack - 745x */
 #define HID0_BTIC	(1<<5)		/* Branch Target Instr Cache Enable */
diff -u -ru linux-2.6.34/arch/powerpc/kernel/head_fsl_booke.S linux-2.6.34-fix/arch/powerpc/kernel/head_fsl_booke.S
--- linux-2.6.34/arch/powerpc/kernel/head_fsl_booke.S	2010-05-16 23:17:36.000000000 +0200
+++ linux-2.6.34-fix/arch/powerpc/kernel/head_fsl_booke.S	2010-06-16 08:45:10.000000000 +0200
@@ -328,6 +328,13 @@
 	oris	r2,r2,HID0_DOZE@h
 	mtspr	SPRN_HID0, r2
 #endif
+#ifdef CONFIG_PTE_64BIT
+BEGIN_MMU_FTR_SECTION
+	mfspr	r2,SPRN_HID0
+	ori	r2,r2,HID0_EN_MAS7_UPDATE@l
+	mtspr	SPRN_HID0, r2
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_BIG_PHYS)
+#endif
 
 #if !defined(CONFIG_BDI_SWITCH)
 	/*