From 94c793accacdb0d33c1df66f3b324eec96d26e58 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 4 Apr 2018 12:56:59 +0200 Subject: [PATCH] iommu/amd: Hide unused iommu_table_lock The newly introduced lock is only used when CONFIG_IRQ_REMAP is enabled: drivers/iommu/amd_iommu.c:86:24: error: 'iommu_table_lock' defined but not used [-Werror=unused-variable] static DEFINE_SPINLOCK(iommu_table_lock); This moves the definition next to the user, within the #ifdef protected section of the file. Fixes: ea6166f4b83e ("iommu/amd: Split irq_lookup_table out of the amd_iommu_devtable_lock") Signed-off-by: Arnd Bergmann Acked-by: Sebastian Andrzej Siewior Signed-off-by: Joerg Roedel --- drivers/iommu/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 2a99f0f..8fb8c73 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -83,7 +83,6 @@ static DEFINE_SPINLOCK(amd_iommu_devtable_lock); static DEFINE_SPINLOCK(pd_bitmap_lock); -static DEFINE_SPINLOCK(iommu_table_lock); /* List of all available dev_data structures */ static LLIST_HEAD(dev_data_list); @@ -3562,6 +3561,7 @@ EXPORT_SYMBOL(amd_iommu_device_info); *****************************************************************************/ static struct irq_chip amd_ir_chip; +static DEFINE_SPINLOCK(iommu_table_lock); static void set_dte_irq_entry(u16 devid, struct irq_remap_table *table) { -- 2.7.4