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Jan Kiszka authored
This will service as an internal building block for RT-safe rate-limited printk (printk_ratelimit() is not suited). It's derived from the RTDM variant, but simplied (central lock, static parameters). We will switch rtdm_printk_ratelimited to this implementation later on. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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