On Mon, Nov 07, 2016 at 10:12:09PM -0800, Ricardo Neri wrote: > There is a caveat, however. Certain applications running in virtual-8086 > mode, such as DOSEMU[1] and Wine[2], want to utilize the SGDT, SIDT and > SLDT instructions for legitimate reasons. In order to keep such > applications working, UMIP must be disabled/enabled when entering/exiting > virtual-8086 mode.
Would it not be better to emulate these instructions for them? What way we can verify they're not malicious.
