On Wed, Jun 12, 2013 at 09:35:16PM -0500, Rob Landley wrote: > My aboriginal linux project builds tiny linux systems to run under > qemu, producing as close to the same system as possible across a > bunch of different architectures. The above change broke the mips > r4k build I've been running under qemu. > > Here's a toolchain and reproduction sequence: > > wget http://landley.net/aboriginal/bin/cross-compiler-mips.tar.bz2 > tar xvjf cross-compiler-mips.tar.bz2 > export PATH=$PWD/cross-compiler-mips/bin:$PATH > make ARCH=mips allnoconfig KCONFIG_ALLCONFIG=miniconfig.mips > make CROSS_COMPILE=mips- ARCH=mips > > (The file miniconfig.mips is attached.) > > It ends: > > CC init/version.o > LD init/built-in.o > arch/mips/built-in.o: In function `local_r4k_flush_cache_page': > c-r4k.c:(.text+0xe278): undefined reference to `kvm_local_flush_tlb_all' > c-r4k.c:(.text+0xe278): relocation truncated to fit: R_MIPS_26 > against `kvm_local_flush_tlb_all' > arch/mips/built-in.o: In function `local_flush_tlb_range': > (.text+0xe938): undefined reference to `kvm_local_flush_tlb_all' > arch/mips/built-in.o: In function `local_flush_tlb_range': > (.text+0xe938): relocation truncated to fit: R_MIPS_26 against > `kvm_local_flush_tlb_all' > arch/mips/built-in.o: In function `local_flush_tlb_mm': > (.text+0xed38): undefined reference to `kvm_local_flush_tlb_all' > arch/mips/built-in.o: In function `local_flush_tlb_mm': > (.text+0xed38): relocation truncated to fit: R_MIPS_26 against > `kvm_local_flush_tlb_all' > kernel/built-in.o: In function `__schedule': > core.c:(.sched.text+0x16a0): undefined reference to > `kvm_local_flush_tlb_all' > core.c:(.sched.text+0x16a0): relocation truncated to fit: R_MIPS_26 > against `kvm_local_flush_tlb_all' > mm/built-in.o: In function `use_mm': > (.text+0x182c8): undefined reference to `kvm_local_flush_tlb_all' > mm/built-in.o: In function `use_mm': > (.text+0x182c8): relocation truncated to fit: R_MIPS_26 against > `kvm_local_flush_tlb_all' > fs/built-in.o:(.text+0x7b50): more undefined references to > `kvm_local_flush_tlb_all' follow > fs/built-in.o: In function `flush_old_exec': > (.text+0x7b50): relocation truncated to fit: R_MIPS_26 against > `kvm_local_flush_tlb_all' > > Revert the above commit and it builds to the end. Commit d414976d1ca721456f7b7c603a8699d117c2ec07 [MIPS: include: mmu_context.h: Replace VIRTUALIZATION with KVM] fixes the issue and was pulled by Linus only yesterday. I cannot reproduce the error following your receipe using the latest Linux/MIPS tree. Ralf
