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Commit a80c49db authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Greg Kroah-Hartman
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serial8250: Mark console as CON_ANYTIME 



While trying to debug a cpu-hotplug issue I noticed printk() stopped
working once the cpu got marked offline, since the 8250 serial console
doesn't have any per-cpu resources the CON_ANYTIME bit is the safe and
documented way to make it work again.

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent e53beacd

drivers/serial/8250.c

+1 −1
Original line number Diff line number Diff line
@@ -2872,7 +2872,7 @@ static struct console serial8250_console = { 
	.device		= uart_console_device,

	.setup		= serial8250_console_setup,

	.early_setup	= serial8250_console_early_setup,

	.flags		= CON_PRINTBUFFER,

	.flags		= CON_PRINTBUFFER | CON_ANYTIME,

	.index		= -1,

	.data		= &serial8250_reg,

};