On Fri, Nov 8, 2019 at 6:03 AM Hajime Tazaki <thehajime@xxxxxxxxx> wrote: > > From: Octavian Purdila <tavi.purdila@xxxxxxxxx> > > Adds the LKL Kconfig, vmlinux linker script, basic architecture > headers and miscellaneous basic functions or stubs such as > dump_stack(), show_regs() and cpuinfo proc ops. > > The headers we introduce in this patch are simple wrappers to the > asm-generic headers or stubs for things we don't support, such as > ptrace, DMA, signals, ELF handling and low level processor operations. > > The kernel configuration is automatically updated to reflect the > endianness of the host, 64bit support or the output format for > vmlinux's linker script. We do this by looking at the ld's default > output format. > > Signed-off-by: Andreas Abel <aabel@xxxxxxxxxx> > Signed-off-by: Conrad Meyer <cem@xxxxxxxxxxx> > Signed-off-by: Edison M. Castro <edisonmcastro@xxxxxxxxxxx> > Signed-off-by: H.K. Jerry Chu <hkchu@xxxxxxxxxx> > Signed-off-by: Hajime Tazaki <thehajime@xxxxxxxxx> > Signed-off-by: Jens Staal <staal1978@xxxxxxxxx> > Signed-off-by: Lai Jiangshan <jiangshanlai@xxxxxxxxx> > Signed-off-by: Levente Kurusa <levex@xxxxxxxxx> > Signed-off-by: Luca Dariz <luca.dariz@xxxxxxxxx> > Signed-off-by: Mark Stillwell <mark@xxxxxxxxxxxx> > Signed-off-by: Matthieu Coudron <mattator@xxxxxxxxx> > Signed-off-by: Michael Zimmermann <sigmaepsilon92@xxxxxxxxx> > Signed-off-by: Motomu Utsumi <motomuman@xxxxxxxxx> > Signed-off-by: Patrick Collins <pscollins@xxxxxxxxxx> > Signed-off-by: Petros Angelatos <petrosagg@xxxxxxxxx> > Signed-off-by: Pierre-Hugues Husson <phh@xxxxxx> > Signed-off-by: Xiao Jia <xiaoj@xxxxxxxxxx> > Signed-off-by: Yuan Liu <liuyuan@xxxxxxxxxx> > Signed-off-by: Octavian Purdila <tavi.purdila@xxxxxxxxx> Can we please have this chain cleaned up? Please see process/submitting-patches.rst. > --- > MAINTAINERS | 8 + > arch/um/lkl/.gitignore | 2 + > arch/um/lkl/Kconfig | 95 ++++++ > arch/um/lkl/Kconfig.debug | 0 > arch/um/lkl/configs/lkl_defconfig | 91 ++++++ > arch/um/lkl/include/asm/Kbuild | 80 +++++ > arch/um/lkl/include/asm/bitsperlong.h | 11 + > arch/um/lkl/include/asm/byteorder.h | 7 + > arch/um/lkl/include/asm/cpu.h | 14 + > arch/um/lkl/include/asm/elf.h | 15 + > arch/um/lkl/include/asm/mutex.h | 7 + > arch/um/lkl/include/asm/processor.h | 60 ++++ > arch/um/lkl/include/asm/ptrace.h | 25 ++ > arch/um/lkl/include/asm/sched.h | 23 ++ > arch/um/lkl/include/asm/syscalls.h | 18 ++ > arch/um/lkl/include/asm/syscalls_32.h | 43 +++ > arch/um/lkl/include/asm/tlb.h | 12 + > arch/um/lkl/include/asm/uaccess.h | 64 ++++ > arch/um/lkl/include/asm/unistd_32.h | 31 ++ > arch/um/lkl/include/asm/vmlinux.lds.h | 14 + > arch/um/lkl/include/asm/xor.h | 9 + > arch/um/lkl/include/uapi/asm/Kbuild | 9 + > arch/um/lkl/include/uapi/asm/bitsperlong.h | 13 + > arch/um/lkl/include/uapi/asm/byteorder.h | 11 + > arch/um/lkl/include/uapi/asm/siginfo.h | 11 + > arch/um/lkl/include/uapi/asm/swab.h | 11 + > arch/um/lkl/include/uapi/asm/syscalls.h | 348 +++++++++++++++++++++ I think this is the first big thing which needs a unification. In UML we try hard to re-use headers from x86. We also have some headers in arch/x86/um/. LKL should do the same. At least try hard to avoid duplication. -- Thanks, //richard
