Module Name:    src
Committed By:   martin
Date:           Fri Sep  3 10:27:33 UTC 2021

Modified Files:
        src/sys/arch/x86/x86 [netbsd-9]: pmap.c

Log Message:
Pull up following revision(s) (requested by manu in ticket #1341):

        sys/arch/x86/x86/pmap.c: revision 1.410

Make pat_init() a NOOP on XENPV; it causes a trap with Xen 4.15


To generate a diff of this commit:
cvs rdiff -u -r1.334.2.5 -r1.334.2.6 src/sys/arch/x86/x86/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/x86/x86/pmap.c
diff -u src/sys/arch/x86/x86/pmap.c:1.334.2.5 src/sys/arch/x86/x86/pmap.c:1.334.2.6
--- src/sys/arch/x86/x86/pmap.c:1.334.2.5	Thu Sep  3 13:45:24 2020
+++ src/sys/arch/x86/x86/pmap.c	Fri Sep  3 10:27:33 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: pmap.c,v 1.334.2.5 2020/09/03 13:45:24 martin Exp $	*/
+/*	$NetBSD: pmap.c,v 1.334.2.6 2021/09/03 10:27:33 martin Exp $	*/
 
 /*
  * Copyright (c) 2008, 2010, 2016, 2017 The NetBSD Foundation, Inc.
@@ -130,7 +130,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.334.2.5 2020/09/03 13:45:24 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.334.2.6 2021/09/03 10:27:33 martin Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_lockdebug.h"
@@ -806,6 +806,7 @@ pmap_exec_fixup(struct vm_map *map, stru
 void
 pat_init(struct cpu_info *ci)
 {
+#ifndef XENPV
 	uint64_t pat;
 
 	if (!(ci->ci_feat_val[0] & CPUID_PAT))
@@ -819,6 +820,7 @@ pat_init(struct cpu_info *ci)
 
 	wrmsr(MSR_CR_PAT, pat);
 	cpu_pat_enabled = true;
+#endif
 }
 
 static pt_entry_t

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