On Thu, Jan 17, 2013 at 10:44:22PM -0800, Joe Millenbach wrote: > The option allows you to remove TTY and compile without errors. This > saves space on systems that won't support TTY interfaces anyway. > bloat-o-meter output is below. > > The bulk of this patch consists of Kconfig changes adding "depends on > TTY" to various serial devices and similar drivers that require the TTY > layer. Ideally, these dependencies would occur on a common intermediate > symbol such as SERIO, but most drivers "select SERIO" rather than > "depends on SERIO", and "select" does not respect dependencies. > > bloat-o-meter output comparing our previous minimal to new minimal by > removing TTY. The list is filtered to not show removed entries with awk > '$3 != "-"' as the list was very long. > > add/remove: 0/226 grow/shrink: 2/14 up/down: 6/-35356 (-35350) > function old new delta > chr_dev_init 166 170 +4 > allow_signal 80 82 +2 > static.__warned 143 142 -1 > disallow_signal 63 62 -1 > __set_special_pids 95 94 -1 > unregister_console 126 121 -5 > start_kernel 546 541 -5 > register_console 593 588 -5 > copy_from_user 45 40 -5 > sys_setsid 128 120 -8 > sys_vhangup 32 19 -13 > do_exit 1543 1526 -17 > bitmap_zero 60 40 -20 > arch_local_irq_save 137 117 -20 > release_task 674 652 -22 > static.spin_unlock_irqrestore 308 260 -48 > > Signed-off-by: Joe Millenbach <jmillenbach@xxxxxxxxx> > Reviewed-by: Jamey Sharp <jamey@xxxxxxxxxxx> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx> -- 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
