Peter Maydell <peter.mayd...@linaro.org> wrote: Hi
> @@ -41,6 +44,9 @@ static const VMStateDescription vmstate_arm_sysctl = { > VMSTATE_UINT32(flags, arm_sysctl_state), > VMSTATE_UINT32(nvflags, arm_sysctl_state), > VMSTATE_UINT32(resetlevel, arm_sysctl_state), > + VMSTATE_UINT32(sys_cfgdata, arm_sysctl_state), > + VMSTATE_UINT32(sys_cfgctrl, arm_sysctl_state), > + VMSTATE_UINT32(sys_cfgstat, arm_sysctl_state), > VMSTATE_END_OF_LIST() > } > }; Three options (about migration): - left things as they are and become incompatible without changing versions - if you don't care about backward compatibility, just add +1 to all the version fields and you are done. - add this fields only for the new version. IMHO 1st one is the worse option. I will go with the middle one (as far as I know, nobody on arm uses interversion migration (as far as I know, nobody uses migration at all). If you (or anybody else does), a pointer to one setup that is known to work is welcome. Later, Juan.