From: Tomas Hruby <tom@minix3.org>
Date: Wed, 2 Jun 2010 13:59:55 +0000 (+0000)
Subject: Gracefull crash if FPU exception in kernel
X-Git-Tag: v3.1.7~14
X-Git-Url: http://zhaoyanbai.com/repos/html/index.html?a=commitdiff_plain;h=463be393c272da9a41cdfc7d0354a056dd5de0ba;p=minix.git

Gracefull crash if FPU exception in kernel
---

diff --git a/kernel/arch/i386/mpx.S b/kernel/arch/i386/mpx.S
index 4e969e6c3..bc8e926ed 100644
--- a/kernel/arch/i386/mpx.S
+++ b/kernel/arch/i386/mpx.S
@@ -619,8 +619,9 @@ copr_return:
 	jmp	_switch_to_user
 
 copr_not_available_in_kernel:
-	movl	$0, (%esp)
-	call	_panic
+	pushl	$0
+	pushl	$COPROC_NOT_VECTOR
+	jmp	exception_entry_nested
 
 _double_fault:
 	EXCEPTION_ERR_CODE(DOUBLE_FAULT_VECTOR)