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-rw-r--r--arch/x86/cpu/start64.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/cpu/start64.S b/arch/x86/cpu/start64.S
index a473fd166d3..a78a3316b6d 100644
--- a/arch/x86/cpu/start64.S
+++ b/arch/x86/cpu/start64.S
@@ -20,6 +20,7 @@ _start:
call board_init_f_init_reserve
+ xor %rdi, %rdi
call board_init_f
call board_init_f_r