When CONFIG_CPUMASK_OFFSTACK isn't enabled, 'cpumask_var_t' will be defined as 'typedef struct cpumask cpumask_var_t[1]', so we can't declare the argument of 'node_to_cpumask' as 'const cpumask_var_t *' for alloc_nodes_vectors().
Fixes the following warning: kernel/irq/affinity.c: In function '__irq_build_affinity_masks': >> kernel/irq/affinity.c:287:31: warning: passing argument 2 of >> 'alloc_nodes_vectors' from incompatible pointer type alloc_nodes_vectors(numvecs, node_to_cpumask, cpu_mask, ^ kernel/irq/affinity.c:128:13: note: expected 'const struct cpumask (*)[1]' but argument is of type 'struct cpumask (*)[1]' static void alloc_nodes_vectors(unsigned int numvecs, ^ Fixes: b1a5a73e64e9 ("genirq/affinity: Spread vectors on node according to nr_cpu ratio") Reported-by: kbuild test robot <l...@intel.com> Cc: Keith Busch <kbu...@kernel.org> Cc: Jon Derrick <jonathan.derr...@intel.com> Signed-off-by: Ming Lei <ming....@redhat.com> --- kernel/irq/affinity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index d905e844bf3a..4d89ad4fae3b 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -126,7 +126,7 @@ static int ncpus_cmp_func(const void *l, const void *r) * for each node. */ static void alloc_nodes_vectors(unsigned int numvecs, - const cpumask_var_t *node_to_cpumask, + cpumask_var_t *node_to_cpumask, const struct cpumask *cpu_mask, const nodemask_t nodemsk, struct cpumask *nmsk, -- 2.20.1