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authorStanislav Kinsburskii <[email protected]>2025-07-11 19:18:52 +0000
committerWei Liu <[email protected]>2025-07-15 06:24:16 +0000
commit6f490bb4a982f7455576d6cf409bef10aebd07b8 (patch)
treee69a6c362ea91ae3988ef547efc2305a7b930c8b /tools/perf/scripts/python/futex-contention.py
parentx86/hyperv: Expose hv_map_msi_interrupt() (diff)
downloadkernel-6f490bb4a982f7455576d6cf409bef10aebd07b8.tar.gz
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PCI: hv: Use the correct hypercall for unmasking interrupts on nested
Running as nested root on MSHV imposes a different requirement for the pci-hyperv controller. In this setup, the interrupt will first come to the L1 (nested) hypervisor, which will deliver it to the appropriate root CPU. Instead of issuing the RETARGET hypercall, issue the MAP_DEVICE_INTERRUPT hypercall to L1 to complete the setup. Rename hv_arch_irq_unmask() to hv_irq_retarget_interrupt(). Co-developed-by: Jinank Jain <[email protected]> Signed-off-by: Jinank Jain <[email protected]> Signed-off-by: Stanislav Kinsburskii <[email protected]> Signed-off-by: Nuno Das Neves <[email protected]> Reviewed-by: Roman Kisel <[email protected]> Reviewed-by: Michael Kelley <[email protected]> Acked-by: Bjorn Helgaas <[email protected]> Link: https://lore.kernel.org/r/1752261532-7225-4-git-send-email-nunodasneves@linux.microsoft.com Signed-off-by: Wei Liu <[email protected]> Message-ID: <1752261532-7225-4-git-send-email-nunodasneves@linux.microsoft.com>
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