From 6e3a3fe3774c3038cda6ce66ebf0767acbe3cc00 Mon Sep 17 00:00:00 2001
From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sun, 15 Jan 2012 16:57:18 +0000
Subject: [PATCH] Now that we can tolerate LPAR context switches on the PS3
 hypervisor, going to hypervisor-idle on both threads will not hang the
 kernel.

---
 sys/powerpc/ps3/platform_ps3.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/sys/powerpc/ps3/platform_ps3.c b/sys/powerpc/ps3/platform_ps3.c
index cb22cc3d7d5c..f06c2cfc7eab 100644
--- a/sys/powerpc/ps3/platform_ps3.c
+++ b/sys/powerpc/ps3/platform_ps3.c
@@ -247,16 +247,6 @@ ps3_real_maxaddr(platform_t plat)
 static void
 ps3_cpu_idle(void)
 {
-	static volatile int pausing = 0;
-
-	/*
-	 * XXX: It appears that the PS3 can livelock if both threads
-	 * call lv1_pause(0) simultaneously.
-	 */
-	if (!atomic_cmpset_int(&pausing, 0, 1))
-		return;
-
 	lv1_pause(0);
-	pausing = 0;
 }