Messages in this thread Patch in this message | | | From | Tobias Regnery <> | Subject | [PATCH] iommu/amd: fix unused-variable warning | Date | Fri, 20 Apr 2018 11:28:36 +0200 |
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The iommu_table_lock is only used by code inside an ifdef CONFIG_IRQ_REMAP block. This leads to the following warning with CONFIG_IRQ_REMAP=n:
amd_iommu.c:86:24: warning: 'iommu_table_lock' defined but not used [-Wunused-variable]
Guard the spinlock definition with the same ifdef.
Fixes: ea6166f4b83e9 ("iommu/amd: Split irq_lookup_table out of the amd_iommu_devtable_lock") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> --- drivers/iommu/amd_iommu.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 2a99f0f14795..5ba141768000 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -83,7 +83,9 @@ static DEFINE_SPINLOCK(amd_iommu_devtable_lock); static DEFINE_SPINLOCK(pd_bitmap_lock); +#ifdef CONFIG_IRQ_REMAP static DEFINE_SPINLOCK(iommu_table_lock); +#endif /* List of all available dev_data structures */ static LLIST_HEAD(dev_data_list); -- 2.17.0
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