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Ar Gwe, 2006-07-07 am 21:23 +0400, ysgrifennodd Sergei Organov: > It seems that there is much worse problem here. The amount of data that > has been inserted by the tty_insert_flip_string() could be up to > URB_TRANSFER_BUFFER_SIZE (=4096 bytes) and may easily exceed > TTY_THRESHOLD_THROTTLE (=128 bytes) defined in the> char/n_tty.c. You may throttle late but that is always true as there is an implicit race between the hardware signals and the chip FIFO on all UART devices. The buffering should be taking care of it, and the tty layer taking care not to over stuff the ldisc which I thought Paul had fixed while doing the locking wizardry Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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