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(parent: e39397d) | patch
iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition
authorWei Liu <wei.liu@kernel.org>
Wed, 3 Feb 2021 15:04:35 +0000 (15:04 +0000)
committerWei Liu <wei.liu@kernel.org>
Thu, 11 Feb 2021 08:47:07 +0000 (08:47 +0000)
commitfb5ef35165a37ca63ef0227657eabd06f0a39cf9
tree8363346e066d3c9658f2f08da71c60be2e57b610tree | snapshot
parente39397d1fd6851bef4dfb63a631b8e15d1f43329commit | diff
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
arch/x86/hyperv/irqdomain.c diff | blob | blame | history
arch/x86/include/asm/mshyperv.h diff | blob | blame | history
drivers/iommu/hyperv-iommu.c diff | blob | blame | history
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