On 31/03/2025 9:22 am, Xin Li (Intel) wrote: > __wrmsr() is the lowest level primitive MSR write API, and its direct > use is NOT preferred. Use its wrapper function native_wrmsrl() instead. > > No functional change intended. > > Signed-off-by: Xin Li (Intel) <xin@xxxxxxxxx> The critical piece of information you're missing from the commit message is that the MSR_IMM instructions take a single u64. Therefore to use them, you've got to arrange for all callers to provide a single u64, rather than a split u32 pair. ~Andrew
