7c24ca50f8
was added to the fast path to support the COM_IIR_RXRDYBUG() case even when that case is not configured. This increased the relative overhead of sio input by almost 25% in the worst case and by 2-3% in the usual case (usually only about 0.2% absolute per port at 115200 bps). The quick fix is to significantly pessimize only the COM_IIR_RXRDYBUG() case. |
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sio_ebus.c | ||
sio_isa.c | ||
sio_pccard.c | ||
sio_pci.c | ||
sio_puc.c | ||
sio.c | ||
sioreg.h | ||
siovar.h |