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x86/amd-iommu: Remove amd_iommu_pd_table

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The data that was stored in this table is now available in
dev->archdata.iommu. So this table is not longer necessary.
This patch removes the remaining uses of that variable and
removes it from the code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2009-11-27 13:25:47 +01:00
parent 8eed983334
commit 492667dacc
3 changed files with 11 additions and 45 deletions
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18
arch/x86/kernel/amd_iommu_init.c
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@@ -164,12 +164,6 @@ u16 *amd_iommu_alias_table;
*/
struct amd_iommu **amd_iommu_rlookup_table;
/*
* The pd table (protection domain table) is used to find the protection domain
* data structure a device belongs to. Indexed with the PCI device id too.
*/
struct protection_domain **amd_iommu_pd_table;
/*
* AMD IOMMU allows up to 2^16 differend protection domains. This is a bitmap
* to know which ones are already in use.
@@ -1238,15 +1232,6 @@ static int __init amd_iommu_init(void)
if (amd_iommu_rlookup_table == NULL)
goto free;
/*
* Protection Domain table - maps devices to protection domains
* This table has the same size as the rlookup_table
*/
amd_iommu_pd_table = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(rlookup_table_size));
if (amd_iommu_pd_table == NULL)
goto free;
amd_iommu_pd_alloc_bitmap = (void *)__get_free_pages(
GFP_KERNEL | __GFP_ZERO,
get_order(MAX_DOMAIN_ID/8));
@@ -1314,9 +1299,6 @@ free:
free_pages((unsigned long)amd_iommu_pd_alloc_bitmap,
get_order(MAX_DOMAIN_ID/8));
free_pages((unsigned long)amd_iommu_pd_table,
get_order(rlookup_table_size));
free_pages((unsigned long)amd_iommu_rlookup_table,
get_order(rlookup_table_size));