On Tue, Jul 9, 2013 at 10:45 PM, Takashi Iwai <[email protected]> wrote: > At Tue, 9 Jul 2013 22:39:36 +0800, > Ming Lei wrote: >> >> On Tue, Jul 9, 2013 at 9:32 PM, Takashi Iwai <[email protected]> wrote: >> > At Tue, 9 Jul 2013 16:43:30 +0800, >> >> Actually from view of distribution, dell rbu has to be compiled in, then >> >> no code size can be saved any more, which means looks the introduced >> >> option in this patch isn't necessary. >> > >> > Well, but it means that there is no way not to compile user-helper >> > mode code in firmware_class.c. In other words, in which condition, >> > request_firmware_user() will be compiled? >> >> It can be always compiled in. Basically dell rbu is always enabled in >> distributions, which means the user helper code has to be compiled in. > > But how non-distro kernel disables this being built-in...? > Or do you suggest to enable the user-helper codes always built, no > matter whether it's used or not?
The only cost of built-in user helper code is ~6Kbytes code on my armv7 box. If the 6KB memory does mater for this non-distro kernel, we can introduce more options. Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
