On 01/12/2017 08:08, Gonglei (Arei) wrote:
> First write to 0x70, cmos_index = 0xc & 0x7f = 0xc
> CPU 0/KVM-15566 kvm_pio: pio_write at 0x70 size 1 count 1 val 0xc>
> Second write to 0x70, cmos_index = 0x86 & 0x7f = 0x6> CPU 1/KVM-15567
> kvm_pio: pio_write at 0x70 size 1 count 1 va
Pls see the trace of kvm_pio:
CPU 1/KVM-15567 [003] 209311.762579: kvm_pio: pio_read at 0x70 size
1 count 1 val 0xff
CPU 1/KVM-15567 [003] 209311.762582: kvm_pio: pio_write at 0x70
size 1 count 1 val 0x89
CPU 1/KVM-15567 [003] 209311.762590: kvm_pio: pio_read
