rt: merge fixup for v5.4.37 and printk issues
In v5.4.37, upstream ab6f762f ("printk: queue wake_up_klogd irq_work only if per-CPU areas are ready") was backported. However, in preempt-rt content we have: 0011-printk_safe-remove-printk-safe-code.patch 0025-printk-remove-unused-code.patch The v5.6-rt already has a backport of ab6f762f present, and has simply expanded the above removals to account for the backport, so we do the same thing here for v5.4-rt Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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