linux-kernel - [PATCH v2 0/6] KVM: x86: minor irqchip improvements (API change)

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Date:   Fri, 16 Dec 2016 16:10:00 +0100
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     Paolo Bonzini <pbonzini@...hat.com>
Subject: [PATCH v2 0/6] KVM: x86: minor irqchip improvements (API change)

v2:
  Uses enum kvm_irqchip_mode to encode state and renames irqchip_kvm to
  irqchip_kernel, which might be easily confused with irqchip_in_kernel.

v1: https://www.spinics.net/lists/kernel/msg2391115.html
> There are two API changes:
> 1) [1/6] forbids KVM_CREATE_IRQCHIP after KVM_CAP_SPLIT_IRQCHIP
> 2) [5/6] makes KVM_SET_GSI_ROUTING reject pic and ioapic routes in split
>    irqchip mode, because they make no sense and are currently "working" only
>    because of a hacky NULL check.
> 
> [1-4/6] are needed for [5/6]; [6/6] is just a cherry.


Radim Krčmář (6):
  KVM: x86: don't allow kernel irqchip with split irqchip
  KVM: x86: decouple irqchip_in_kernel() and pic_irqchip()
  KVM: x86: make pic setup code look like ioapic setup
  KVM: x86: refactor pic setup in kvm_set_routing_entry
  KVM: x86: prevent setup of invalid routes
  KVM: x86: simplify conditions with split/kernel irqchip

 arch/x86/include/asm/kvm_host.h |  8 +++++++-
 arch/x86/kvm/i8259.c            | 16 +++++++++++-----
 arch/x86/kvm/irq.h              | 19 ++++++++++---------
 arch/x86/kvm/irq_comm.c         | 29 ++++++++++-------------------
 arch/x86/kvm/x86.c              | 41 +++++++++++++++++++++--------------------
 5 files changed, 59 insertions(+), 54 deletions(-)

-- 
2.11.0