Sorry for late reply. I checked this config, and it's only used for HAS_IOPORT_MAP in lib/Kconfig Sure, removing it means no different for .config file. I think a better way is reserving it or moving it into arch/Kconfig Cc: linux-arch@xxxxxxxxxxxxxxx Xuetao Guan ----- Paul Bolle <pebolle@xxxxxxxxxx> 写道: > Architectures only need a Kconfig entry for NO_IOPORT_MAP if it is > possible that its value will be 'y'. For unicore32 its value will always > be 'n', making it pointless. Remove it. > > Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx> > --- > Tested by playing with arch/unicore32/configs/unicore32_defconfig. This > patch made no difference whatsoever to the generated .config file. > Please note that it has > CONFIG_HAS_IOPORT_MAP=y > > set after invoking "make oldconfig" both before and after this patch. > > arch/unicore32/Kconfig | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig > index 928237a7b9ca..2322cc87e7cb 100644 > --- a/arch/unicore32/Kconfig > +++ b/arch/unicore32/Kconfig > @@ -27,9 +27,6 @@ config UNICORE32 > config GENERIC_CSUM > def_bool y > > -config NO_IOPORT_MAP > - bool > - > config STACKTRACE_SUPPORT > def_bool y > > -- > 1.9.3 > -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html