On 11/12/24 18:07, Len Brown wrote: > From: Len Brown <len.brown@xxxxxxxxx> > > Under some conditions, MONITOR wakeups on Lunar Lake processors > can be lost, resulting in significant user-visible delays. > > Add LunarLake to X86_BUG_MONITOR so that wake_up_idle_cpu() > always sends an IPI, avoiding this potential delay. This kinda implies that X86_BUG_MONITOR only does one thing. What about the two other places in the tree that check it. Are those relevant? > Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219364 > > Cc: stable@xxxxxxxxxxxxxxx # 6.11 > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> This obviously conflicts with the VFM infrastructure, but shouldn't this also get backported to even older stable kernels? I thought the "# 6.11" was to tell folks where it is *needed*, not where it actually applies.