On 10/09/23 at 04:36pm, Kirill A. Shutemov wrote: > On Mon, Oct 09, 2023 at 07:49:35AM +0800, Baoquan He wrote: > > On 10/05/23 at 04:13pm, Kirill A. Shutemov wrote: > > > The patchset adds bits and pieces to get kexec (and crashkernel) work on > > > TDX guest. > > > > > > They bring kexec support to the point when we can start the new kernel, > > > but it will only be able to use single CPU. It should be enough to cover > > > the most common case: crashkernel. > > > > Not sure if this question has been raised and answered in the past. Please > > forgive my bad memory if it has. The one cpu is fine to kdump kernel most > > of time, while we enable all CPUs by default when kexec rebooting. And kdump > > kernel with multiple cpu is allowed too. Wondering if there's plan to > > support the multiple cpu on TDX in the future. > > Sorry, I didn't update this part of cover letter properly, but the last > patch of the patchset makes possible to kexec with multiple CPUs and the > 2nd kernel will see them all. It requires support on BIOS side, otherwise > we fallback to single CPU kexec. Oops, I didn't read them carefully. You have mentioned that in the last paragraph of cover letter. That's a great news, thanks. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
