On Thu, Dec 19, 2019 at 12:18:53PM +0000, Cristian Marussi wrote: > the logic underlying SMP stop and kexec crash procedures, beside containing > some arch-specific bits, is mostly generic and common across all archs: > despite this fact, such logic is now scattered across all architectures and > on some of them is flawed, in such a way that, under some specific > conditions, you can end up with a CPU left still running after a panic and > possibly lost across a subsequent kexec crash reboot. [1] Is this still the case even after 20bb759a66be ("panic: ensure preemption is disabled during panic()")? Will