On Tue, Nov 21, 2023 at 05:10:01PM +0800, Tao Liu wrote: > > > My colleague Tao helped to double check this, he got the same testing result. > > > Plesae > > > 1) what can we do to enable the multiple cpu support for kexec reboot? > > > > You would need a patched BIOS image. I've hacked one[1] for my testing. > > But it only works if kernel runs in 4-level paging mode (specify no5lvl in > > kernel command line). > > > > BIOS folks work on proper patch, but it is not ready yet. > > > > [1] https://gist.github.com/kiryl/e1dc1719e0c990b3ceee5d8de8dbf332 > > > Thanks a lot for providing the BIOS patch. One more question, is the > patched BIOS image for the host physical machine or for the tdx guest > vm? For the guest. -- Kiryl Shutsemau / Kirill A. Shutemov _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
