Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 3/9] iommu/amd: Properly initialize irq-table lock | Date | Tue, 9 Apr 2013 22:12:58 +0200 |
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Fixes a lockdep warning.
Cc: stable@vger.kernel.org # >= v3.7 Signed-off-by: Joerg Roedel <joro@8bytes.org> --- drivers/iommu/amd_iommu.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 72fa570..33900b5 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3927,6 +3927,9 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic) if (!table) goto out; + /* Initialize table spin-lock */ + spin_lock_init(&table->lock); + if (ioapic) /* Keep the first 32 indexes free for IOAPIC interrupts */ table->min_index = 32; -- 1.7.9.5
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