add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

 kernel/drivers/md/dm-rq.c
..
..
@@ -689,7 +689,6 @@
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 		/* Establish tio->ti before queuing work (map_tio_request) */
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 		tio->ti = ti;
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 		kthread_queue_work(&md->kworker, &tio->work);
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-		BUG_ON(!irqs_disabled());
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 	}
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 }
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