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-rw-r--r--kernel/smpboot.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index f6bc0bc8a2aa..b9f54544e749 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -392,6 +392,13 @@ int cpu_check_up_prepare(int cpu)
*/
return -EAGAIN;
+ case CPU_UP_PREPARE:
+ /*
+ * Timeout while waiting for the CPU to show up. Allow to try
+ * again later.
+ */
+ return 0;
+
default:
/* Should not happen. Famous last words. */