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SubjectRE: [PATCH v6 16/16] iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition
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From: Wei Liu <wei.liu@kernel.org> Sent: Wednesday, February 3, 2021 7:05 AM
>
> Just like MSI/MSI-X, IO-APIC interrupts are remapped by Microsoft
> Hypervisor when Linux runs as the root partition. Implement an IRQ
> domain to handle mapping and unmapping of IO-APIC interrupts.
>
> Signed-off-by: Wei Liu <wei.liu@kernel.org>
> ---
> v6:
> 1. Simplify code due to changes in a previous patch.
> ---
> arch/x86/hyperv/irqdomain.c | 25 +++++
> arch/x86/include/asm/mshyperv.h | 4 +
> drivers/iommu/hyperv-iommu.c | 177 +++++++++++++++++++++++++++++++-
> 3 files changed, 203 insertions(+), 3 deletions(-)
>

Reviewed-by: Michael Kelley <mikelley@microsoft.com>

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