Thread (4 messages) 4 messages, 4 authors, 2025-05-18

Re: [PATCH] KVM: PPC: Book3S HV: Fix IRQ map warnings with XICS on pSeries KVM Guest

From: Madhavan Srinivasan <maddy@linux.ibm.com>
Date: 2025-05-18 03:44:28
Also in: kvm, lkml

On Sat, 26 Apr 2025 00:26:41 +0530, Amit Machhiwal wrote:
The commit 9576730d0e6e ("KVM: PPC: select IRQ_BYPASS_MANAGER") enabled
IRQ_BYPASS_MANAGER when CONFIG_KVM was set. Subsequently, commit
c57875f5f9be ("KVM: PPC: Book3S HV: Enable IRQ bypass") enabled IRQ
bypass and added the necessary callbacks to create/remove the mappings
between host real IRQ and the guest GSI.

The availability of IRQ bypass is determined by the arch-specific
function kvm_arch_has_irq_bypass(), which invokes
kvmppc_irq_bypass_add_producer_hv(). This function, in turn, calls
kvmppc_set_passthru_irq_hv() to create a mapping in the passthrough IRQ
map, associating a host IRQ to a guest GSI.

[...]
Applied to powerpc/next.

[1/1] KVM: PPC: Book3S HV: Fix IRQ map warnings with XICS on pSeries KVM Guest
      https://git.kernel.org/powerpc/c/ccdb36cbe65fe05fd5349c7ee5a59e53be7fe195

Thanks
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