From 4bb9038ef3951f08716bf87cd356d9809b775d72 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@suse.de>
Date: Sat, 25 Mar 2006 16:29:37 +0100
Subject: [PATCH] --- yaml --- r: 23802 b: refs/heads/master c:
 85f9eebccde51e24896f31383f5b70776362e1a6 h: refs/heads/master v: v3

---
 [refs]                              | 2 +-
 trunk/arch/x86_64/kernel/pci-gart.c | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 5c41b911bcb2..0acebc0186d0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77d910f557c44db0fa72ee856c41cdd56972cfca
+refs/heads/master: 85f9eebccde51e24896f31383f5b70776362e1a6
diff --git a/trunk/arch/x86_64/kernel/pci-gart.c b/trunk/arch/x86_64/kernel/pci-gart.c
index 0c3f052ba6ce..ebd125e968be 100644
--- a/trunk/arch/x86_64/kernel/pci-gart.c
+++ b/trunk/arch/x86_64/kernel/pci-gart.c
@@ -148,9 +148,12 @@ static void flush_gart(struct device *dev)
 			if (!northbridges[i])
 				continue;
 			/* Make sure the hardware actually executed the flush. */
-			do { 
+			for (;;) { 
 				pci_read_config_dword(northbridges[i], 0x9c, &w);
-			} while (w & 1);
+				if (!(w & 1))
+					break;
+				cpu_relax();
+			}
 		} 
 		if (!flushed) 
 			printk("nothing to flush?\n");