On 12/12/2017 09:48 AM, Greg Kroah-Hartman wrote: > On Tue, Dec 12, 2017 at 09:08:35AM +0100, Christian Borntraeger wrote: >> Using "make kvmconfig" results in a potentially unusable linux image >> on s390. The reason is that both the (default on s390) sclp consoles >> as well as the 8250 console register a ttyS<x> as console. Since there >> will be no 8250 on s390 let's fence 8250. This will ensure that there >> is always a working sclp console. >> >> Reported-by: Alice Frosi <alice@xxxxxxxxxxxxxxxxxx> >> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> >> Reviewed-by: Hendrik Brueckner <brueckner@xxxxxxxxxxxxxxxxxx> >> --- >> drivers/tty/serial/8250/Kconfig | 1 + >> 1 file changed, 1 insertion(+) > > Does this need to be backported to any stable kernels? Or does anyone > who runs them on s390 already have this config option disabled? All shipped s390 kernels have 8250 disabled anyway. A backport of this patch could be helpful to let users who want to use "make kvmconfig" give a working configuration but it is certainly not critical. Christian -- 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
