sysrq_ch 166 include/linux/serial_core.h unsigned int sysrq_ch; /* char for sysrq */ sysrq_ch 482 include/linux/serial_core.h port->sysrq_ch = ch; sysrq_ch 493 include/linux/serial_core.h int sysrq_ch; sysrq_ch 495 include/linux/serial_core.h sysrq_ch = port->sysrq_ch; sysrq_ch 496 include/linux/serial_core.h port->sysrq_ch = 0; sysrq_ch 500 include/linux/serial_core.h if (sysrq_ch) sysrq_ch 501 include/linux/serial_core.h handle_sysrq(sysrq_ch);