| From | Greg Kroah-Hartman <> | Subject | [ 07/73] iommu/amd: Properly initialize irq-table lock | Date | Thu, 9 May 2013 15:31:30 -0700 |
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3.8-stable review patch. If anyone has any objections, please let me know.
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From: Joerg Roedel <joro@8bytes.org>
commit 197887f03daecdb3ae21bafeb4155412abad3497 upstream.
Fixes a lockdep warning.
Reviewed-by: Shuah Khan <shuahkhan@gmail.com> Signed-off-by: Joerg Roedel <joro@8bytes.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/iommu/amd_iommu.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3948,6 +3948,9 @@ static struct irq_remap_table *get_irq_t 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;
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