On Tue, Nov 19, 2024 at 04:34:55PM +0100, Valentin Schneider wrote: > Later commits will cause objtool to warn about non __ro_after_init static > keys being used in .noinstr sections in order to safely defer instruction > patching IPIs targeted at NOHZ_FULL CPUs. > > __sched_clock_stable is used in .noinstr code, and can be modified at > runtime (e.g. KVM module loading). Suppressing the text_poke_sync() IPI has Wait, what !? loading KVM causes the TSC to be marked unstable?