[NOT FOR UPSTREAM] x86/cpu: Add INTEL_LUNARLAKE_M to X86_BUG_MONITOR #5260
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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. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219364 Cc: [email protected] # 6.11 Signed-off-by: Len Brown <[email protected]> Link: https://lore.kernel.org/lkml/a4aa8842a3c3bfdb7fe9807710eef159cbf0e705.1731463305.git.len.brown@intel.com/ Signed-off-by: Kai Vehmanen <[email protected]>
kv2019i
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bardliao,
dbaluta,
lgirdwood,
plbossart,
ranj063 and
ujfalusi
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@kv2019i, I would have expected much cleaner LNL report... |
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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.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219364
Cc: [email protected] # 6.11
Link: https://lore.kernel.org/lkml/a4aa8842a3c3bfdb7fe9807710eef159cbf0e705.1731463305.git.len.brown@intel.com/