From 5e54b56d6254caa06251211530e584534f39fba3 Mon Sep 17 00:00:00 2001
From: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
Date: Thu, 29 Mar 2012 05:29:08 -0500
Subject: 2449 Add workaround for AMD K10 CPU erratum 721 Reviewed by: Dan
 McDonald <danmcd@nexenta.com> Reviewed by: Richard Lowe
 <richlowe@richlowe.net> Reviewed by: Albert Lee <trisk@nexenta.com> Approved
 by: Richard Lowe <richlowe@richlowe.net>

---
 usr/src/uts/intel/sys/controlregs.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'usr/src/uts/intel/sys/controlregs.h')

diff --git a/usr/src/uts/intel/sys/controlregs.h b/usr/src/uts/intel/sys/controlregs.h
index aa9ab14a89..d84bba7d3a 100644
--- a/usr/src/uts/intel/sys/controlregs.h
+++ b/usr/src/uts/intel/sys/controlregs.h
@@ -209,6 +209,10 @@ extern "C" {
 
 #define	AMD_BU_CFG_E298			(UINT64_C(1) << 1)
 
+#define	MSR_AMD_DE_CFG	0xc0011029
+
+#define	AMD_DE_CFG_E721			(UINT64_C(1))
+
 /* AMD's osvw MSRs */
 #define	MSR_AMD_OSVW_ID_LEN		0xc0010140
 #define	MSR_AMD_OSVW_STATUS		0xc0010141
-- 
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