Am 27.09.2013 06:14, schrieb Ramkumar Ramachandra: > arch/um/defconfig only lists one default configuration, and that applies > only to the i386 architecture. Replace it with two minimal > configuration files generated using `make savedefconfig`: > > i386_defconfig and x86_64_defconfig > > The build scripts now require two updates: > > 1. um's Kconfig (arch/x86/um/Kconfig) should specify an ARCH_DEFCONFIG > section explicitly pointing to these scripts if the required > variables are set. Take care to remove the DEFCONFIG_LIST section > defined in the included file arch/um/Kconfig.common. > > 2. um's Makefile (arch/um/Makefile) should set KBUILD_DEFCONFIG properly > for the top-level Makefile to pick up. Copy the logic in > arch/x86/Makefile to properly pick the defconfig file depending on > the actual architecture; except we're working with $SUBARCH here, > instead of $ARCH. > > Now, you can do: > > $ ARCH=um make defconfig > $ ARCH=um make > > and successfully build User-Mode Linux on an x86_64 box in default > configuration.
I don't much like the commit message, but I will amend it myself. I.e. defconfig worked always on x86_64, you have to specify SUBARCH=x86_64. Your patch adds the handy feature that make defconfig will use the host arch automatically. Patch queued for 3.13-rc1. Thanks, //richard ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
