On Fri, Mar 28, 2025 at 10:11:50AM -0700, Xin Li (Intel) wrote: > The per CPU array 'cea_exception_stacks' points to per CPU stacks > +/* > + * FRED introduced new fields in the host-state area of the VMCS for > + * stack levels 1->3 (HOST_IA32_FRED_RSP[123]), each respectively > + * corresponding to per CPU stacks for #DB, NMI and #DF. KVM must > + * populate these each time a vCPU is loaded onto a CPU. > + */ > +EXPORT_PER_CPU_SYMBOL(cea_exception_stacks); Exporting data vs accessors for it is usually a bad idea. Doing a non-_GPl for such a very low level data struture is even worse.
