[NOT FOR UPSTREAM] x86/cpu: Add INTEL_LUNARLAKE_M to X86_BUG_MONITOR #5260
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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
requested review from
lgirdwood,
plbossart,
ranj063,
dbaluta,
bardliao and
ujfalusi
as code owners
|
@kv2019i, I would have expected much cleaner LNL report... |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
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/