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-rw-r--r--arch/x86_64/kernel/head64.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index e6a71c9556d..36647ce6aec 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -85,6 +85,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
clear_bss();
/*
+ * This must be called really, really early:
+ */
+ lockdep_init();
+
+ /*
* switch to init_level4_pgt from boot_level4_pgt
*/
memcpy(init_level4_pgt, boot_level4_pgt, PTRS_PER_PGD*sizeof(pgd_t));