Hi, On Tue, Mar 8, 2022 at 7:30 PM Randy Dunlap <[email protected]> wrote: > > __setup() handlers should return 1 to obsolete_checksetup() in > init/main.c to indicate that the boot option has been handled. > A return of 0 causes the boot option/value to be listed as an Unknown > kernel parameter and added to init's (limited) environment strings. > So return 1 from kgdboc_option_setup(). > > Unknown kernel command line parameters "BOOT_IMAGE=/boot/bzImage-517rc7 > kgdboc=kbd kgdbts=", will be passed to user space. > > Run /sbin/init as init process > with arguments: > /sbin/init > with environment: > HOME=/ > TERM=linux > BOOT_IMAGE=/boot/bzImage-517rc7 > kgdboc=kbd > kgdbts= > > Fixes: 1bd54d851f50 ("kgdboc: Passing ekgdboc to command line causes panic") > Fixes: f2d937f3bf00 ("consoles: polling support, kgdboc") > Signed-off-by: Randy Dunlap <[email protected]> > Reported-by: Igor Zhbanov <[email protected]> > Link: lore.kernel.org/r/[email protected] > Cc: He Zhe <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Cc: Jiri Slaby <[email protected]> > Cc: [email protected] > Cc: Jason Wessel <[email protected]> > Cc: Daniel Thompson <[email protected]> > Cc: Douglas Anderson <[email protected]> > Cc: [email protected] > --- > v2- correct Fixes: tag(s) (thanks Doug) > - drop Cc: Laura Abbott <[email protected]> (bouncing) > - add a reference to init/main.c::obsolete_checksetup() > > drivers/tty/serial/kgdboc.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-)
Reviewed-by: Douglas Anderson <[email protected]> _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
