Author: jkim
Date: Mon Jan 24 18:11:37 2011
New Revision: 217798
URL: http://svn.freebsd.org/changeset/base/217798
Log:
MFC: r217587
Fix yet another fallout from r208833. VM86 BIOS call may cause page fault
when FPU is in use.
Modified:
stable/8/sys/i386/i386/vm86bios.s
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/i386/i386/vm86bios.s
==============================================================================
--- stable/8/sys/i386/i386/vm86bios.s Mon Jan 24 18:07:57 2011
(r217797)
+++ stable/8/sys/i386/i386/vm86bios.s Mon Jan 24 18:11:37 2011
(r217798)
@@ -73,10 +73,9 @@ ENTRY(vm86_bioscall)
je 1f /* no curproc/npxproc */
pushl %edx
movl TD_PCB(%ecx),%ecx
- addl $PCB_SAVEFPU,%ecx
- pushl %ecx
+ pushl PCB_SAVEFPU(%ecx)
call npxsave
- popl %ecx
+ addl $4,%esp
popl %edx /* recover our pcb */
1:
popfl
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