Hello, On Wed, Dec 08, 2021 at 08:51:47PM -0500, Nayna wrote: > > On 11/25/21 13:02, Michal Suchanek wrote: > > Copy the code from s390x > > > > Signed-off-by: Michal Suchanek<msuchanek@xxxxxxx> > > --- > > arch/powerpc/Kconfig | 11 +++++++++++ > > arch/powerpc/kexec/elf_64.c | 36 ++++++++++++++++++++++++++++++++++++ > > 2 files changed, 47 insertions(+) > > > > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > > index ac0c515552fd..ecc1227a77f1 100644 > > --- a/arch/powerpc/Kconfig > > +++ b/arch/powerpc/Kconfig > > @@ -561,6 +561,17 @@ config KEXEC_FILE > > config ARCH_HAS_KEXEC_PURGATORY > > def_bool KEXEC_FILE > > > > +config KEXEC_SIG > > + bool "Verify kernel signature during kexec_file_load() syscall" > > + depends on KEXEC_FILE && MODULE_SIG_FORMAT > > After manually applying the patch, the build is failing with the following > error: > > build failed with error "arch/powerpc/kexec/elf_64.o: In function > `elf64_verify_sig': > /root/kernel/linus/linux/arch/powerpc/kexec/elf_64.c:160: undefined > reference to `verify_appended_signature'" This patch does not add call to verify_appended_signature. Maybe you applied the following patch as well? Thanks Michal
