CVS commit: [netbsd-8] src/sys/arch/i386/conf

["Soren Jacobsen" <snj%netbsd.org@localhost>]

Module Name:    src
Committed By:   snj
Date:           Fri Aug 25 05:53:12 UTC 2017

Modified Files:
        src/sys/arch/i386/conf [netbsd-8]: GENERIC

Log Message:
Pull up following revision(s) (requested by maxv in ticket #230):
        sys/arch/i386/conf/GENERIC: revision 1.1158
Disable vm86 by default. The use case is limited, and the potential for
damage is too high.
This code is fragile, and relies on a certain number of assumptions, some
of which are not be totally true. For example, it relies on the fact that
a 16bit process cannot perform a syscall, but verily it can. The slighest
confusion in the trap frame can lead to ring0 exploits. Also, I'm not
convinced that it interacts well with the compatibility layers.


To generate a diff of this commit:
cvs rdiff -u -r1.1156.2.2 -r1.1156.2.3 src/sys/arch/i386/conf/GENERIC

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.