On Fri, 4 May 2012 12:35:10 -0500 Corbin Atkinson <corbinat@xxxxxxxxx> wrote: > Currently, serial drivers don't report buffer overruns. When a buffer overrun > occurs, tty_insert_flip_char returns 0, and no attempt is made to insert that > same character again (i.e. it is lost). This patch reports buffer overruns via > the buf_overrun field in the port's icount structure. I think this is mostly a misunderstanding - it's always been interpreted as logging hardware reported overrruns. The case of the software layer losing bytes is a "doesn't happen in normal circumstances" situation. At least it should be. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
