On Fri, Aug 27, 2021 at 11:10:31AM -0700, Yu, Yu-cheng wrote: > Because on context switches the whole xstates are switched together, > we need to make sure all are in registers. There's context switch code which does that already. Why would shstk_setup() be responsible for switching the whole extended states buffer instead of only the shadow stack stuff only? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette