On 14/11/2016 23:15, Brijesh Singh wrote:
> + /* For size less than 4 we merge, else we zero extend */
> + val = (size < 4) ? kvm_register_read(vcpu, VCPU_REGS_RAX) : 0;
Are you sure it shouldn't always zero extend the high 32-bits? So "val"
should be declared as u32.
Paolo
> + ret = emulator_pio_in_emulated(&vcpu->arch.emulate_ctxt, size, port,
> + &val, 1);
> + if (ret) {
> + kvm_register_write(vcpu, VCPU_REGS_RAX, val);
> + return ret;
> + }
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