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diff --git a/sys/arm64/arm64/db_interface.c b/sys/arm64/arm64/db_interface.c
--- a/sys/arm64/arm64/db_interface.c
+++ b/sys/arm64/arm64/db_interface.c
@@ -167,8 +167,10 @@
*dst++ = *data++;
dsb(ish);
- /* Clean D-cache and invalidate I-cache */
- cpu_dcache_wb_range(addr, (vm_size_t)size);
+ /*
+ * Ensure the I & D cache are in sync if we wrote
+ * to executable memory.
+ */
cpu_icache_sync_range(addr, (vm_size_t)size);
}
}

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