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    Subject[PATCH 5/7] amd-iommu: move protection domain printk to dump code
    Date
    [ impact: only printk protection-domain relations if requested ]

    This information is only helpful for debugging. Don't print it anymore
    unless explicitly requested.

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    ---
    arch/x86/kernel/amd_iommu.c | 10 ++++++----
    1 files changed, 6 insertions(+), 4 deletions(-)

    diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
    index a97db99..3356599 100644
    --- a/arch/x86/kernel/amd_iommu.c
    +++ b/arch/x86/kernel/amd_iommu.c
    @@ -1009,8 +1009,9 @@ static int device_change_notifier(struct notifier_block *nb,
    if (!dma_domain)
    dma_domain = iommu->default_dom;
    attach_device(iommu, &dma_domain->domain, devid);
    - printk(KERN_INFO "AMD IOMMU: Using protection domain %d for "
    - "device %s\n", dma_domain->domain.id, dev_name(dev));
    + DUMP_printk(KERN_INFO "AMD IOMMU: Using protection domain "
    + "%d for device %s\n",
    + dma_domain->domain.id, dev_name(dev));
    break;
    case BUS_NOTIFY_UNBIND_DRIVER:
    if (!domain)
    @@ -1133,8 +1134,9 @@ static int get_device_resources(struct device *dev,
    dma_dom = (*iommu)->default_dom;
    *domain = &dma_dom->domain;
    attach_device(*iommu, *domain, *bdf);
    - printk(KERN_INFO "AMD IOMMU: Using protection domain %d for "
    - "device %s\n", (*domain)->id, dev_name(dev));
    + DUMP_printk(KERN_INFO "AMD IOMMU: Using protection domain "
    + "%d for device %s\n",
    + (*domain)->id, dev_name(dev));
    }

    if (domain_for_device(_bdf) == NULL)
    --
    1.6.3.1



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