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charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On 11/2/22 11:19, Borislav Petkov wrote: > On Wed, Nov 02, 2022 at 09:55:06AM -0500, Eric DeVolder wrote: >>> "But on a plain simple laptop or workstation which has CPU hotplug, >>> would it make sense for the crash ranges to get updated too when CPUs >>> are offlined? >> >> Yes, it does. > > Why? > Technically the answer is no; cpu hotplug events are independent of memory hotplug events, but both are written into the elfcorehdr, so in reality yes... The elfcorehdr contains a single list of Phdrs describing CPUs and crash memory ranges; the entire list is re-written on a hotplug change. Eric _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec