On Tue, May 30, 2023 at 3:28 AM Tim Wiederhake <twiederh@xxxxxxxxxx> wrote: > > Software such as qemu and libvirt require the raw content of some MSRs Note that KVM doesn't return the raw value of IA32_ARCH_CAPABILITIES. First, it filters out unsupported bits, and then it massages the result a bit. See kvm_get_arch_capabilities(). Isn't this what qemu actually wants?