Date: Wed, 19 Jan 2011 17:09:07 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r217587 - head/sys/i386/i386 Message-ID: <201101191709.p0JH97ZD083132@svn.freebsd.org>
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Author: jkim Date: Wed Jan 19 17:09:07 2011 New Revision: 217587 URL: http://svn.freebsd.org/changeset/base/217587 Log: Fix yet another fallout from r208833. VM86 BIOS call may cause page fault 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 Modified: head/sys/i386/i386/vm86bios.s Modified: head/sys/i386/i386/vm86bios.s ============================================================================== --- head/sys/i386/i386/vm86bios.s Wed Jan 19 17:04:07 2011 (r217586) +++ head/sys/i386/i386/vm86bios.s Wed Jan 19 17:09:07 2011 (r217587) @@ -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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