On 20/11/19 19:13, Jim Mattson wrote: > On Mon, Nov 18, 2019 at 9:29 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: >> >> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > > I had to add tsx-ctrl to x86/unittests.cfg: > > +[tsx-ctrl] > +file = tsx-ctrl.flat > +extra_params = -cpu host > +groups = tsx-ctrl > + > > With qemu 4.1, I get: > > timeout -k 1s --foreground 90s /root/kvm-unit-tests/deps/qemu.sh > -nodefaults -device pc-testdev -device > isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device > pci-testdev -machine accel=kvm -kernel x86/tsx-ctrl.flat -smp 1 -cpu > host # -initrd /tmp/tmp.7wOLppNO4W > enabling apic > SKIP: TSX_CTRL not available > > Maybe qemu is masking off ARCH_CAP_TSX_CTRL_MSR? I haven't investigated. Yes, you need "-cpu host,migratable=off" if you don't have the corresponding QEMU patches (which I've only sent today, but just allowing unmigratable features in extra_params will be okay for you to test). Paolo
