Hello Christian, On 1/27/20 8:46 AM, Christian Eggers wrote: > When passing the target name as "bootchooser.active", Linux will not > pass the parameter as environment variable to the init process. The only > way to get the bootchooser result (e.g. in an initramfs), is to parse it > out of /proc/cmdline (requires mounting of /proc, sed, ...). > > After renaming, the bootchooser result will be passed as environment > variable which can easily accessed from /init (e.g. for selecting the > associated root fs). Existing userspace like RAUC[1] rely on this naming, so the default may not be changed. [1]: https://github.com/rauc/rauc/blob/f52978d9736f18794f7e277ca440e2e4e78c9703/src/context.c#L47 Cheers Ahmad > > Signed-off-by: Christian Eggers <ceggers@xxxxxxx> > --- > common/bootchooser.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/common/bootchooser.c b/common/bootchooser.c > index c08db03eb..f0e3294dc 100644 > --- a/common/bootchooser.c > +++ b/common/bootchooser.c > @@ -817,7 +817,7 @@ static int bootchooser_boot_one(struct bootchooser *bc, int *tryagain) > goto out; > } > > - system = basprintf("bootchooser.active=%s", target->name); > + system = basprintf("bootchooser_active=%s", target->name); > globalvar_add_simple("linux.bootargs.bootchooser", system); > free(system); > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
