[RFC PATCH rcu] fixup! EXP iommu: stupid_workaround() can be static

[kbuild test robot]

Fixes: 814ee31d1f90 ("fixup! EXP iommu: Placeholder for fix in mainline")
Signed-off-by: kbuild test robot <fengguang...@intel.com>
---
 amd_iommu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 46519d0..00dcafe 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3563,7 +3563,7 @@ EXPORT_SYMBOL(amd_iommu_device_info);
 static struct irq_chip amd_ir_chip;
 static DEFINE_SPINLOCK(iommu_table_lock);
 
-void __maybe_unused stupid_workaround(void)
+static void __maybe_unused stupid_workaround(void)
 {
        spin_lock(&iommu_table_lock);
        spin_unlock(&iommu_table_lock);