On Sat, Jul 12, 2014 at 11:16:02AM +0100, Russell King - ARM Linux wrote: > On Mon, Jun 30, 2014 at 12:30:51PM +0100, Daniel Thompson wrote: > > This patchset removes some single-platform compatibility tricks related > > to DEBUG_LL and, as a result, allows multi_v7_defconfig derived builds > > to enable DEBUG_LL. Currently the user selected kbuild setting is > > ignored and the PL01X's DEBUG_LL stub is silently selected instead. This > > is a pain if your hardware doesn't have this cell, not least because it > > takes a little time to figure out that kbuild built the wrong code. > > I don't think this is quite right, because I'm now seeing randconfig > finding build errors with this. We can end up with this configuration: > > CONFIG_DEBUG_LL=y > CONFIG_DEBUG_LL_UART_NONE=y > # CONFIG_DEBUG_ICEDCC is not set > # CONFIG_DEBUG_SEMIHOSTING is not set > # CONFIG_DEBUG_LL_UART_8250 is not set > # CONFIG_DEBUG_LL_UART_PL01X is not set > CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" > # CONFIG_DEBUG_UART_8250 is not set > > which results in: > > arch/arm/kernel/debug.S:24:33: fatal error: mach/debug-macro.S: No such file > or directory > make[2]: *** [arch/arm/kernel/debug.o] Error 1 > arch/arm/kernel/head.S:27:33: fatal error: mach/debug-macro.S: No such file > or directory > make[2]: *** [arch/arm/kernel/head.o] Error 1 > > Full config file: > http://www.arm.linux.org.uk/developer/build/file.php?lid=11023
Note that this also breaks building versatile as an oldconfig. I'll drop the patch series from my tree for the time being. -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- 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/

