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authorJoerg Roedel <joerg.roedel@amd.com>2009-05-04 15:06:20 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2009-05-28 18:08:50 +0200
commit3bd221724adb9d642270df0e78b0105fb61e4a1c (patch)
treed5c1cf8dc7e42f3da895b61403779f257511d39d /arch/x86/kernel/amd_iommu.c
parent41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (diff)
amd-iommu: introduce for_each_iommu* macros
This patch introduces the for_each_iommu and for_each_iommu_safe macros to simplify the developers life when having to iterate over all AMD IOMMUs in the system. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
-rw-r--r--arch/x86/kernel/amd_iommu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index a97db99dad52..d9e9dc141a1e 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -213,7 +213,7 @@ irqreturn_t amd_iommu_int_handler(int irq, void *data)
{
struct amd_iommu *iommu;
- list_for_each_entry(iommu, &amd_iommu_list, list)
+ for_each_iommu(iommu)
iommu_poll_events(iommu);
return IRQ_HANDLED;
@@ -440,7 +440,7 @@ static void iommu_flush_domain(u16 domid)
__iommu_build_inv_iommu_pages(&cmd, CMD_INV_IOMMU_ALL_PAGES_ADDRESS,
domid, 1, 1);
- list_for_each_entry(iommu, &amd_iommu_list, list) {
+ for_each_iommu(iommu) {
spin_lock_irqsave(&iommu->lock, flags);
__iommu_queue_command(iommu, &cmd);
__iommu_completion_wait(iommu);
@@ -1672,7 +1672,7 @@ int __init amd_iommu_init_dma_ops(void)
* found in the system. Devices not assigned to any other
* protection domain will be assigned to the default one.
*/
- list_for_each_entry(iommu, &amd_iommu_list, list) {
+ for_each_iommu(iommu) {
iommu->default_dom = dma_ops_domain_alloc(iommu, order);
if (iommu->default_dom == NULL)
return -ENOMEM;
@@ -1710,7 +1710,7 @@ int __init amd_iommu_init_dma_ops(void)
free_domains:
- list_for_each_entry(iommu, &amd_iommu_list, list) {
+ for_each_iommu(iommu) {
if (iommu->default_dom)
dma_ops_domain_free(iommu->default_dom);
}