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A __percpu tagged pointer can't be initialized with a > plain pointer, so use another percpu variable for the pointer and set > it on each new cpu via a function. > > Fixes: 942d917cb92a ("xen: make multicall debug boot time selectable") > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202407151106.5s7Mnfpz-lkp@intel.com/ > Signed-off-by: Juergen Gross IIUIC we only need data until SMP is initialized, so setting per-cpu pointer just on cpu0 may be sufficient. Not sure where to do this though. But this works as well. Reviewed-by: Boris Ostrovsky