On Thu, Apr 9, 2020 at 10:33 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
> On 09/04/20 10:20, Uros Bizjak wrote:
> > Current mainline kernel fails to build (on Fedora 31) with:
> >
> > GEN .version
> > CHK include/generated/compile.h
> > LD vmlinux.o
> > MODPOST vmlinux.o
> > MODINFO modules.builtin.modinfo
> > GEN modules.builtin
> > LD .tmp_vmlinux.btf
> > ld: arch/x86/kvm/svm/sev.o: in function `sev_flush_asids':
> > /hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:48: undefined reference to
> > `sev_guest_df_flush'
> > ld: arch/x86/kvm/svm/sev.o: in function `sev_hardware_setup':
> > /hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:1146: undefined reference
> > to `sev_platform_status'
> > BTF .btf.vmlinux.bin.o
>
> Strange, the functions are defined and exported with
> CONFIG_CRYPTO_DEV_SP_PSP, which is "y" in your config.
I tried to continue with a single make job (if there is something
wrong with dependencies). Still fails to build, but I can post the
continuation of errors from this single job:
[uros@localhost linux]$ make
CALL scripts/checksyscalls.sh
CALL scripts/atomic/check-atomics.sh
DESCEND objtool
CHK include/generated/compile.h
CHK kernel/kheaders_data.tar.xz
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
AR init/built-in.a
LD vmlinux.o
MODPOST vmlinux.o
MODINFO modules.builtin.modinfo
GEN modules.builtin
LD .tmp_vmlinux.btf
ld: arch/x86/kvm/svm/sev.o: in function `sev_flush_asids':
/hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:48: undefined reference to
`sev_guest_df_flush'
ld: arch/x86/kvm/svm/sev.o: in function `sev_hardware_setup':
/hdd/uros/git/linux/arch/x86/kvm/svm/sev.c:1146: undefined reference
to `sev_platform_status'
BTF .btf.vmlinux.bin.o
tag__check_id_drift: subroutine_type id drift, core_id: 1644,
btf_type_id: 1642, type_id_off: 0
libbpf: Unsupported BTF_KIND:0
btf_elf__encode: btf__new failed!
free(): double free detected in tcache 2
scripts/link-vmlinux.sh: vrstica 114: 725221 Aborted
(izpis jedra) LLVM_OBJCOPY=${OBJCOPY} ${PAHOLE} -J ${1}
LD .tmp_vmlinux.kallsyms1
.btf.vmlinux.bin.o: file not recognized: file format not recognized
make: *** [Makefile:1086: vmlinux] Error 1
Uros.
