Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Clear sub-page HPTE present bits when demoting page size
[POWERPC] 4xx: Clear new TLB cache attribute bits in Data Storage vector
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index c2b9dc4..22b5d2c 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -368,7 +368,12 @@
rlwimi r11,r13,0,26,31 /* Insert static perms */
- rlwinm r11,r11,0,20,15 /* Clear U0-U3 */
+ /*
+ * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+ * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+ * include/asm-powerpc/pgtable-ppc32.h for details).
+ */
+ rlwinm r11,r11,0,20,10
/* find the TLB index that caused the fault. It has to be here. */
tlbsx r10, 0, r10
diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 21d2484..70f4c83 100644
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -568,6 +568,10 @@
ld r7,STK_PARM(r9)(r1) /* ssize */
ld r8,STK_PARM(r8)(r1) /* local */
bl .flush_hash_page
+ /* Clear out _PAGE_HPTE_SUB bits in the new linux PTE */
+ lis r0,_PAGE_HPTE_SUB@h
+ ori r0,r0,_PAGE_HPTE_SUB@l
+ andc r30,r30,r0
b htab_insert_pte
htab_bail_ok:
