On Tue, Nov 01, 2016 at 12:10:48AM +0100, Paul Bolle wrote: > See https://lists.ozlabs.org/pipermail/lguest/2013-May/002001.html ;. > Nobody cared enough to fix it. I cared enough to figure it all out. But > I didn't understand much of the possible solutions that where suggested > three years ago. I'm guessing the simple fix would be this: --- diff --git a/drivers/lguest/Kconfig b/drivers/lguest/Kconfig index 169172d2ba05..9c08b3050bb7 100644 --- a/drivers/lguest/Kconfig +++ b/drivers/lguest/Kconfig @@ -1,6 +1,6 @@ config LGUEST tristate "Linux hypervisor example code" - depends on X86_32 && EVENTFD && TTY && PCI_DIRECT + depends on X86_32 && EVENTFD && TTY && PCI_DIRECT && !MICROCODE select HVC_DRIVER ---help--- This is a very simple module which allows you to run --- but maybe the better fix is to hack in MSR emulation in lguest and intercept the *MSR accesses and do the writes/reads in the exception fixup and ... I haven't looked at the lguest code, of course and whether that's easily doable and whether it even makes sense and whether one should simply use qemu/kvm instead and, and, and... -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
