kern/amd64: cpu: Add cpu_halt_others() function

Add function to halt all processor cores on the machine excluding self.
This may be used for emergency conditions on the system.

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/sys/include/sys/cpuvar.h b/src/sys/include/sys/cpuvar.h
index e4f3cd1..fa2462d 100644
--- a/src/sys/include/sys/cpuvar.h
+++ b/src/sys/include/sys/cpuvar.h
@@ -91,6 +91,14 @@ struct core_arbiter {
 struct pcore *cpu_sched(void);
 
 /*
+ * Halt all processor cores on the machine excluding
+ * self
+ *
+ * [MD]
+ */
+void cpu_halt_others(void);
+
+/*
  * Configure a processor core on the system
  *
  * [MD]