powerpc: Use RCU based pte freeing mechanism for all powerpc

[linux-2.6-omap-h63xx.git] / arch / powerpc / mm / hash_low_32.S

diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
index 7bffb70b9fe25cd71750428578ba961561412ee6..c5536b8b37a9e3c2548fc9f570f017d7043a5db7 100644 (file)
--- a/arch/powerpc/mm/hash_low_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
@@ -35,36 +35,6 @@ mmu_hash_lock:
        .space  4
 #endif /* CONFIG_SMP */
 
-/*
- * Sync CPUs with hash_page taking & releasing the hash
- * table lock
- */
-#ifdef CONFIG_SMP
-       .text
-_GLOBAL(hash_page_sync)
-       mfmsr   r10
-       rlwinm  r0,r10,0,17,15          /* clear bit 16 (MSR_EE) */
-       mtmsr   r0
-       lis     r8,mmu_hash_lock@h
-       ori     r8,r8,mmu_hash_lock@l
-       lis     r0,0x0fff
-       b       10f
-11:    lwz     r6,0(r8)
-       cmpwi   0,r6,0
-       bne     11b
-10:    lwarx   r6,0,r8
-       cmpwi   0,r6,0
-       bne-    11b
-       stwcx.  r0,0,r8
-       bne-    10b
-       isync
-       eieio
-       li      r0,0
-       stw     r0,0(r8)
-       mtmsr   r10
-       blr
-#endif /* CONFIG_SMP */
-
 /*
  * Load a PTE into the hash table, if possible.
  * The address is in r4, and r3 contains an access flag: