Module Name: src
Committed By: maxv
Date: Sat May 25 21:02:33 UTC 2019
Modified Files:
src/sys/arch/x86/x86: fpu.c
Log Message:
Fix bug. We must fetch the whole FPU state, otherwise XSTATE_BV could be
outdated, and we could be filling the AVX registers with garbage.
To generate a diff of this commit:
cvs rdiff -u -r1.52 -r1.53 src/sys/arch/x86/x86/fpu.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/fpu.c
diff -u src/sys/arch/x86/x86/fpu.c:1.52 src/sys/arch/x86/x86/fpu.c:1.53
--- src/sys/arch/x86/x86/fpu.c:1.52 Sun May 19 08:46:15 2019
+++ src/sys/arch/x86/x86/fpu.c Sat May 25 21:02:32 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: fpu.c,v 1.52 2019/05/19 08:46:15 maxv Exp $ */
+/* $NetBSD: fpu.c,v 1.53 2019/05/25 21:02:32 maxv Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc. All
@@ -96,7 +96,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.52 2019/05/19 08:46:15 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.53 2019/05/25 21:02:32 maxv Exp $");
#include "opt_multiprocessor.h"
@@ -827,7 +827,7 @@ process_write_fpregs_xmm(struct lwp *l,
{
union savefpu *fpu_save;
- fpusave_lwp(l, false);
+ fpusave_lwp(l, true);
fpu_save = lwp_fpuarea(l);
if (i386_use_fxsave) {
