Re: [PATCH 4.4 4.9 v1 0/2] Fix repeated WARNING in unpin_current_cpu()
From: Pavel Machek
Date: Fri May 02 2025 - 06:19:37 EST
Hi!
> This is a patch series for v4.4-rt and v4.9-rt to resolve problem that
> WARNING in unpin_current_cpu() happens repeatedly while kernel is booting.
> Please see commit message of the second patch (2/2) for more details about
> the problem and how it's resolved. The first patch (1/2) is a preparation
> for the fix (2/2), considering compatibility issue in future updates.
>
> As the both v4.4-rt and v4.9-rt have been EOL already, it's not expected
> that this series is applied to the branches anymore.
> On the other hand, the Civil Infrastructure Platform Project (CIP)
> has been maintaining its 4.4 SLTS RT kernel[1][2] based on v4.4-rt,
> and needs to fix the problem above by this series.
>
> It is much appreciated if RT experts could take a look at the series
> and give feedbacks about its way to resolve the problem, which is
> based on the same approach as changes happend around v4.14-rt.
Thanks for patches, and sorry for the delays. 4.4.302-cip98-rt55 is
out, and it should contain your fixes.
Best regards,
Pavel
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