> 'output' is already a pointer to the output argument, it should be > passed directly to hv_do_hypercall() without the '&' operator.
See also: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.14#n94 How do you think about to append parentheses to the function name in the summary phrase? Regards, Markus