On Fri, Nov 05, 2021 at 09:55:52PM +1100, Daniel Axtens wrote: > Michal Suchanek <msuchanek@xxxxxxx> writes: > > > S390 uses appended signature for kernel but implements the check > > separately from module loader. > > > > Support for secure boot on powerpc with appended signature is planned - > > grub patches submitted upstream but not yet merged. > > Power Non-Virtualised / OpenPower already supports secure boot via kexec > with signature verification via IMA. I think you have now sent a > follow-up series that merges some of the IMA implementation, I just > wanted to make sure it was clear that we actually already have support So is IMA_KEXEC and KEXEC_SIG redundant? I see some architectures have both. I also see there is a lot of overlap between the IMA framework and the KEXEC_SIG and MODULE_SIg. Thanks Michal
