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target/arm/kvm: pmu: split init and set-irq stages

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When adding a PMU with a userspace irqchip we skip the set-irq
stage of device creation. Split the 'create' function into two
functions 'init' and 'set-irq' so they may be called separately.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Message-id: 1500471597-2517-3-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Jones 2017-09-04 15:21:54 +01:00 • committed by Peter Maydell
parent 07f48730bc
commit 3f07cb2aab
4 changed files with 53 additions and 36 deletions
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11
hw/arm/virt.c
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@ -492,10 +492,17 @@ static void fdt_add_pmu_nodes(const VirtMachineState *vms)
CPU_FOREACH(cpu) {
armcpu = ARM_CPU(cpu);
if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU) ||
(kvm_enabled() && !kvm_arm_pmu_create(cpu, PPI(VIRTUAL_PMU_IRQ)))) {
if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU)) {
return;
}
if (kvm_enabled()) {
if (!kvm_arm_pmu_set_irq(cpu, PPI(VIRTUAL_PMU_IRQ))) {
return;
}
if (!kvm_arm_pmu_init(cpu)) {
return;
}
}
}
if (vms->gic_version == 2) {