On Mon, 2012-06-04 at 15:45 +1000, Anton Blanchard wrote:
> At the moment all queues in a multiqueue adapter will serialise
> against the IOMMU table lock. This is proving to be a big issue,
> especially with 10Gbit ethernet.
..
> +
> struct iommu_table {
> unsigned long it_busno; /* Bus number this table belongs to */
> unsigned long it_size; /* Size of iommu table in entries */
> @@ -61,10 +71,10 @@ struct iommu_table {
> unsigned long it_index; /* which iommu table this is */
> unsigned long it_type; /* type: PCI or Virtual Bus */
> unsigned long it_blocksize; /* Entries in each block (cacheline) */
> - unsigned long it_hint; /* Hint for next alloc */
> - unsigned long it_largehint; /* Hint for large allocs */
> - unsigned long it_halfpoint; /* Breaking point for small/large allocs */
> - spinlock_t it_lock; /* Protects it_map */
> + unsigned long poolsize;
> + unsigned long nr_pools;
> + struct iommu_pool large_pool;
> + struct iommu_pool pools[IOMMU_NR_POOLS];
> unsigned long *it_map; /* A simple allocation bitmap for now */
> };
>
Breaks the cell code with:
arch/powerpc/platforms/cell/iommu.c:521:15: error: 'struct iommu_table' has no
member named 'it_hint'
cheers
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