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| author | Joerg Roedel <joro@8bytes.org> | 2013-04-09 23:14:08 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-12 00:53:51 +0400 |
| commit | d474ea53485a4a81699f503c8234610af7fb8c3c (patch) | |
| tree | e3f07f51b7b5150e269b772f6aebbb24b1fd535d | |
| parent | ffeae73e9f2780c7711b12b78ade0a447665117c (diff) | |
| download | linux-d474ea53485a4a81699f503c8234610af7fb8c3c.tar.xz | |
iommu/amd: Properly initialize irq-table lock
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>
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 4647b50b249c..4c867f47b53c 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3948,6 +3948,9 @@ 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; |