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Diffstat (limited to 'sys/arch/amd64/amd64/machdep.c')
-rw-r--r--sys/arch/amd64/amd64/machdep.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/machdep.c b/sys/arch/amd64/amd64/machdep.c
index d54ea22..df6d341 100644
--- a/sys/arch/amd64/amd64/machdep.c
+++ b/sys/arch/amd64/amd64/machdep.c
@@ -40,6 +40,7 @@
#include <machine/cpuid.h>
#include <machine/lapic.h>
#include <machine/uart.h>
+#include <machine/sync.h>
#include <machine/intr.h>
#if defined(__SPECTRE_IBRS)