Vitaly Kuznetsov writes:
> QEMU/KVM guests running nested on top of Hyper-V fail to boot with
> virtio-blk-pci disks, the debug log ends with
>
> Booting from Hard Disk...
> call32_smm 0x000edd01 e97a0
> handle_smi cmd=b5 smbase=0x000a
> vp notify fe007000 (2) -- 0x0
> vp read fe005000 (1)
On 01/04/18 15:29, Vitaly Kuznetsov wrote:
> Laszlo Ersek writes:
> In fact, the only writew() needs patching is in vp_notify(), when I
> replace it with 'asm volatile' everything works.
>
>> * Does it make a difference if you disable EPT in the L1 KVM
>> configuration? (EPT is probably primaril
Laszlo Ersek writes:
> On 01/04/18 11:24, Vitaly Kuznetsov wrote:
>> Laszlo Ersek writes:
>>
>>> Is it possible that the current barrier() is not sufficient for the
>>> intended purpose in an L2 guest?
>>>
>>> What happens if you drop your current patch, but replace
>>>
>>> __asm__ __volatile
On 01/04/18 11:24, Vitaly Kuznetsov wrote:
> Laszlo Ersek writes:
>
>> Is it possible that the current barrier() is not sufficient for the
>> intended purpose in an L2 guest?
>>
>> What happens if you drop your current patch, but replace
>>
>> __asm__ __volatile__("": : :"memory")
>>
>> in the
Laszlo Ersek writes:
> Is it possible that the current barrier() is not sufficient for the
> intended purpose in an L2 guest?
>
> What happens if you drop your current patch, but replace
>
> __asm__ __volatile__("": : :"memory")
>
> in the barrier() macro definition, with a real, heavy-weight b
On 01/03/18 14:41, Vitaly Kuznetsov wrote:
> QEMU/KVM guests running nested on top of Hyper-V fail to boot with
> virtio-blk-pci disks, the debug log ends with
>
> Booting from Hard Disk...
> call32_smm 0x000edd01 e97a0
> handle_smi cmd=b5 smbase=0x000a
> vp notify fe007000 (2) -- 0x0
> vp read
QEMU/KVM guests running nested on top of Hyper-V fail to boot with
virtio-blk-pci disks, the debug log ends with
Booting from Hard Disk...
call32_smm 0x000edd01 e97a0
handle_smi cmd=b5 smbase=0x000a
vp notify fe007000 (2) -- 0x0
vp read fe005000 (1) -> 0x0
handle_smi cmd=b5 smbase=0x000a
