5d8213864ade ("x86/retbleed: Add SKL return thunk") 770ae1b70952 ("x86/returnthunk: Allow different return thunks") c063a217bc07 ("x86/percpu: Move current_top_of_stack next to current_task") 7443b296e699 ("x86/percpu: Move cpu_number next to current_task") 64701838bf05 ("x86/percpu: Move preempt_count next to current_task") e57ef2ed97c1 ("x86: Put hot per CPU variables into a struct")