Avi Kivity 78ac8b47c5 KVM: VMX: Save/restore rflags.vm correctly in real mode ... Currently we set eflags.vm unconditionally when entering real mode emulation through virtual-8086 mode, and clear it unconditionally when we enter protected mode. The means that the following sequence KVM_SET_REGS (rflags.vm=1) KVM_SET_SREGS (cr0.pe=1) Ends up with rflags.vm clear due to KVM_SET_SREGS triggering enter_pmode(). Fix by shadowing rflags.vm (and rflags.iopl) correctly while in real mode: reads and writes to those bits access a shadow register instead of the actual register. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>		2010-04-20 12:59:31 +03:00
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x86	KVM: VMX: Save/restore rflags.vm correctly in real mode	2010-04-20 12:59:31 +03:00
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