On Wed, 5 Jun 2024 at 02:03, Borislav Petkov <bp@xxxxxxxxx> wrote: > > On Tue, Jun 04, 2024 at 07:09:56PM +0800, Dave Young wrote: > > Anyway there is not such a helper for all cases. > > But maybe there should be... > > This is not the first case where the need arises to be able to say: > > if (am I a kexeced kernel) > > in code. > > Perhaps we should have a global var kexeced or so which gets incremented > on each kexec-ed kernel, somewhere in very early boot of the kexec-ed > kernel we do > > kexeced++; > > and then other code can query it and know whether this is a kexec-ed > kernel and how many times it got kexec-ed... It's something good to have but not must for the time being, also no idea how to save the status across boot, for EFI boot case probably a EFI var can be used, but how can it be cleared in case of physical boot. Otherwise probably injecting some kernel parameters, anyway this needs more thinking. > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette > _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
