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Fix yet another fallout from r208833. VM86 BIOS call may cause page fault

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when FPU is in use.

Reported by:	Marc UBM Bocklet (ubm dot freebsd at googlemail dot com)
Tested by:	b. f. (bf1783 at googlemail dot com)
MFC after:	3 days
This commit is contained in:
Jung-uk Kim 2011-01-19 17:09:07 +00:00
parent f8e4b4ef49
commit fd240d6d9f
1 changed files with 2 additions and 3 deletions
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5
sys/i386/i386/vm86bios.s
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@ -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