diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-05-10 04:50:42 -0400 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-05-10 05:07:58 -0400 |
| commit | 72fe00f01f9a3240a1073be27aeaf4fc476cc662 (patch) | |
| tree | 6030bac491411d7a70e8c1c1da90c8f5e552dc74 /arch/x86/kernel/amd_iommu_init.c | |
| parent | 604c307bf47350c74bb36507b86a08726c7c2075 (diff) | |
x86/amd-iommu: Use threaded interupt handler
Move the interupt handling for the iommu into the interupt
thread to reduce latencies and prepare interupt handling for
pri handling.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 28b078133688..9179c21120a8 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c | |||
| @@ -1034,10 +1034,11 @@ static int iommu_setup_msi(struct amd_iommu *iommu) | |||
| 1034 | if (pci_enable_msi(iommu->dev)) | 1034 | if (pci_enable_msi(iommu->dev)) |
| 1035 | return 1; | 1035 | return 1; |
| 1036 | 1036 | ||
| 1037 | r = request_irq(iommu->dev->irq, amd_iommu_int_handler, | 1037 | r = request_threaded_irq(iommu->dev->irq, |
| 1038 | IRQF_SAMPLE_RANDOM, | 1038 | amd_iommu_int_handler, |
| 1039 | "AMD-Vi", | 1039 | amd_iommu_int_thread, |
| 1040 | NULL); | 1040 | 0, "AMD-Vi", |
| 1041 | iommu->dev); | ||
| 1041 | 1042 | ||
| 1042 | if (r) { | 1043 | if (r) { |
| 1043 | pci_disable_msi(iommu->dev); | 1044 | pci_disable_msi(iommu->dev); |