The function call path is: xen_pv_console_init (acquire the spinlock) xencons_info_pv_init gfn_to_virt (gfn_to_pfn) --> may sleep
I do not find a good way to fix it, so I only report.This possible bug is found by my static analysis tool (DSAC) and my code review.
Thanks, Jia-Ju Bai