On Fri, Jan 10, 2025 at 02:45:27PM -0500, Rik van Riel wrote: > Is this the right location for that code, or > do I need to move it somewhere else to > guarantee TCE gets enabled on every CPU? Didn't I answer this already? https://lore.kernel.org/r/20250102115237.GGZ3Z-BUqBauHEfB10@fat_crate.local And you should put it in init_amd() as it runs on every CPU. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette