cpumask: arch_send_call_function_ipi_mask: core
Impact: new API to reduce stack usage
We're weaning the core code off handing cpumask's around on-stack.
This introduces arch_send_call_function_ipi_mask().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/kernel/smp.c b/kernel/smp.c
index 9f0eafe..172b182 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -266,6 +266,12 @@
generic_exec_single(cpu, data);
}
+/* FIXME: Shim for archs using old arch_send_call_function_ipi API. */
+#ifndef arch_send_call_function_ipi_mask
+#define arch_send_call_function_ipi_mask(maskp) \
+ arch_send_call_function_ipi(*(maskp))
+#endif
+
/**
* smp_call_function_many(): Run a function on a set of other CPUs.
* @mask: The set of cpus to run on (only runs on online subset).
@@ -343,7 +349,7 @@
smp_mb();
/* Send a message to all CPUs in the map */
- arch_send_call_function_ipi(*to_cpumask(data->cpumask_bits));
+ arch_send_call_function_ipi_mask(to_cpumask(data->cpumask_bits));
/* optionally wait for the CPUs to complete */
if (wait)