On 2014-11-28 15:10, Linus Walleij wrote: > On Wed, Nov 26, 2014 at 3:41 PM, Russell King - ARM Linux > <linux@xxxxxxxxxxxxxxxx> wrote: >> On Wed, Nov 26, 2014 at 02:57:42PM +0100, Linus Walleij wrote: >>> make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- >>> KBUILD_OUTPUT=build-u300 u300_defconfig >>> make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- >>> KBUILD_OUTPUT=build-u300 zImage CONFIG_DEBUG_SECTION_MISMATCH=y >>> make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- >>> KBUILD_OUTPUT=build-u300 dtbs >>> make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- >>> KBUILD_OUTPUT=build-u300 zImage CONFIG_DEBUG_SECTION_MISMATCH=y >>> >>> -> Rebuilds everything. >>> >>> This doesn't occur before the offending commit. So it only happens >>> when specifying extra environment variables on the command line. >> >> I suspect if you also provide the CONFIG_DEBUG_SECTION_MISMATCH=y on the >> dtbs line, everything will work properly. > > Yay, it works! :) > >> The problem is that dtbs line executes a prepare, which I guess rebuilds >> the bounds stuff. So, the dtbs target results in it being rebuilt without >> the section mismatch, and then you re-execute a make with it, causing >> the bounds stuff to be rebuilt again. > > Yep. Not very intuitive to require passing section mismatch debug > flags to DTB rebuilding but whatever, it's not so bad I can't live with > it. Still, the dependency on the 'prepare' target is superfluous, if the only requirement is that $(KERNELRELEASE) be set properly. Michal -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html