From 15363b274f574a3aaa00c35e555e9c365d84d2af Mon Sep 17 00:00:00 2001
From: sudheer <none@none>
Date: Wed, 14 May 2008 11:33:14 -0700
Subject: 6671782 rdtsc synchronization change for Intel processors

---
 usr/src/uts/intel/sys/x86_archext.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'usr/src/uts/intel/sys')

diff --git a/usr/src/uts/intel/sys/x86_archext.h b/usr/src/uts/intel/sys/x86_archext.h
index 7a65c28743..8dad09d1d7 100644
--- a/usr/src/uts/intel/sys/x86_archext.h
+++ b/usr/src/uts/intel/sys/x86_archext.h
@@ -337,6 +337,7 @@ extern "C" {
 #define	X86_NO_TSC		0x0
 #define	X86_HAVE_TSCP		0x1
 #define	X86_TSC_MFENCE		0x2
+#define	X86_TSC_LFENCE		0x4
 
 #define	FMT_X86_FEATURE						\
 	"\20"							\
@@ -587,6 +588,8 @@ extern	char _tscp_start;
 extern	char _tscp_end;
 extern	char _no_rdtsc_start;
 extern	char _no_rdtsc_end;
+extern	char _tsc_lfence_start;
+extern	char _tsc_lfence_end;
 #endif
 
 extern uint_t workaround_errata(struct cpu *);
-- 
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