[src/trunk]: src/sys/arch/x86/x86 XEN apparently has no fpuinit_mxcsr_mask() ...

[kre <kre%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/637b4edaa95e
branches:  trunk
changeset: 827559:637b4edaa95e
user:      kre <kre%NetBSD.org@localhost>
date:      Fri Nov 03 13:11:39 2017 +0000

description:
XEN apparently has no fpuinit_mxcsr_mask() and hasn't needed it until
now, so just omit this (as it was before) for XEN.   If this is not
correct, someone who knows x86's & the XEN interface can fix it, but
at least it should build, and be essentially the same as before now.

diffstat:

 sys/arch/x86/x86/identcpu.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r cc187ae220d7 -r 637b4edaa95e sys/arch/x86/x86/identcpu.c
--- a/sys/arch/x86/x86/identcpu.c       Fri Nov 03 13:01:26 2017 +0000
+++ b/sys/arch/x86/x86/identcpu.c       Fri Nov 03 13:11:39 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: identcpu.c,v 1.62 2017/11/03 07:14:24 maxv Exp $       */
+/*     $NetBSD: identcpu.c,v 1.63 2017/11/03 13:11:39 kre Exp $        */
 
 /*-
  * Copyright (c) 1999, 2000, 2001, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.62 2017/11/03 07:14:24 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.63 2017/11/03 13:11:39 kre Exp $");
 
 #include "opt_xen.h"
 
@@ -752,7 +752,9 @@
 
        x86_fpu_save = FPU_SAVE_FXSAVE;
 
+#ifndef XEN
        fpuinit_mxcsr_mask();
+#endif
 
        /* See if xsave (for AVX) is supported */
        if ((ci->ci_feat_val[1] & CPUID2_XSAVE) == 0)