From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Fri, 13 Feb 2004 02:33:06 +0000 (+1100)
Subject: ppc64: Add a missing isync in __hash_page, alloc hash table on PowerMac G5
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=872f2a3f6ef58505ae0fc5ef8b946c14631b5d7f;p=history.git

ppc64: Add a missing isync in __hash_page, alloc hash table on PowerMac G5
---

diff --git a/arch/ppc64/mm/hash_low.S b/arch/ppc64/mm/hash_low.S
index 0ea88a0fa2a0..9866e89d5be3 100644
--- a/arch/ppc64/mm/hash_low.S
+++ b/arch/ppc64/mm/hash_low.S
@@ -95,7 +95,7 @@ _GLOBAL(__hash_page)
 	/* Write the linux PTE atomically (setting busy) */
 	stdcx.	r30,0,r6
 	bne-	1b
-	
+	isync
 
 	/* Step 2:
 	 *
diff --git a/arch/ppc64/mm/hash_utils.c b/arch/ppc64/mm/hash_utils.c
index 5632368a374e..a7e31d32c6a7 100644
--- a/arch/ppc64/mm/hash_utils.c
+++ b/arch/ppc64/mm/hash_utils.c
@@ -140,7 +140,8 @@ void __init htab_initialize(void)
 	htab_data.htab_num_ptegs = pteg_count;
 	htab_data.htab_hash_mask = pteg_count - 1;
 
-	if (systemcfg->platform == PLATFORM_PSERIES) {
+	if (systemcfg->platform == PLATFORM_PSERIES ||
+	    systemcfg->platform == PLATFORM_POWERMAC) {
 		/* Find storage for the HPT.  Must be contiguous in
 		 * the absolute address space.
 		 */