[src/trunk]: src/sys/arch/x86/x86 enable XSAVE (and hence AVX) under XEN by d...

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

details:   https://anonhg.NetBSD.org/src/rev/b0569cd34ade
branches:  trunk
changeset: 446003:b0569cd34ade
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Mon Nov 19 22:21:32 2018 +0000

description:
enable XSAVE (and hence AVX) under XEN by default, fixes PR kern/50332

okayed by maxv@

diffstat:

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

diffs (28 lines):

diff -r 88ca1654b7c3 -r b0569cd34ade sys/arch/x86/x86/identcpu.c
--- a/sys/arch/x86/x86/identcpu.c       Mon Nov 19 22:05:22 2018 +0000
+++ b/sys/arch/x86/x86/identcpu.c       Mon Nov 19 22:21:32 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: identcpu.c,v 1.82 2018/11/10 11:08:54 maxv Exp $       */
+/*     $NetBSD: identcpu.c,v 1.83 2018/11/19 22:21:32 jdolecek 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 1.82 2018/11/10 11:08:54 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.83 2018/11/19 22:21:32 jdolecek Exp $");
 
 #include "opt_xen.h"
 
@@ -822,9 +822,7 @@
         * supervisor trap. OSXSAVE flag seems to be reliably set according
         * to whether XSAVE is actually available.
         */
-#ifdef XEN_USE_XSAVE
        if ((ci->ci_feat_val[1] & CPUID2_OSXSAVE) == 0)
-#endif
                return;
 #endif