x86, AMD IOMMU: do runtime list initialization at compile time

This patch changes the list initialization for the iommu list and the unity map
list from runtime to compile time.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 316fe2e..0c24703 100644 (file)
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -118,12 +118,12 @@ static int __initdata amd_iommu_detected;
 
 u16 amd_iommu_last_bdf;                        /* largest PCI device id we have
                                           to handle */
-struct list_head amd_iommu_unity_map;  /* a list of required unity mappings
+LIST_HEAD(amd_iommu_unity_map);                /* a list of required unity mappings
                                           we find in ACPI */
 unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */
 int amd_iommu_isolate;                 /* if 1, device isolation is enabled */
 
-struct list_head amd_iommu_list;       /* list of all AMD IOMMUs in the
+LIST_HEAD(amd_iommu_list);             /* list of all AMD IOMMUs in the
                                           system */
 
 /*
@@ -673,8 +673,6 @@ static int __init init_iommu_all(struct acpi_table_header *table)
        struct amd_iommu *iommu;
        int ret;
 
-       INIT_LIST_HEAD(&amd_iommu_list);
-
        end += table->length;
        p += IVRS_HEADER_LENGTH;
 
@@ -780,8 +778,6 @@ static int __init init_memory_definitions(struct acpi_table_header *table)
        u8 *p = (u8 *)table, *end = (u8 *)table;
        struct ivmd_header *m;
 
-       INIT_LIST_HEAD(&amd_iommu_unity_map);
-
        end += table->length;
        p += IVRS_HEADER_LENGTH;