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authorWei Liu <wei.liu@kernel.org>2021-02-03 16:04:35 +0100
committerWei Liu <wei.liu@kernel.org>2021-02-11 09:47:07 +0100
commitfb5ef35165a37ca63ef0227657eabd06f0a39cf9 (patch)
tree8363346e066d3c9658f2f08da71c60be2e57b610 /drivers/gpio
parentx86/hyperv: implement an MSI domain for root partition (diff)
downloadlinux-fb5ef35165a37ca63ef0227657eabd06f0a39cf9.tar.xz
linux-fb5ef35165a37ca63ef0227657eabd06f0a39cf9.zip
iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition
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> Acked-by: Joerg Roedel <joro@8bytes.org> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210203150435.27941-17-wei.liu@kernel.org
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