[PATCH v3 27/36] KVM: arm64: gic-v5: Mandate architected PPI for PMU emulation on GICv5

[Jonathan Cameron]

On Fri, 9 Jan 2026 17:04:47 +0000
Sascha Bischoff <Sascha.Bischoff at arm.com> wrote:

> Make it mandatory to use the architected PPI when running a GICv5
> guest. Attempts to set anything other than the architected PPI (23)
> are rejected.
> 
> Additionally, KVM_ARM_VCPU_PMU_V3_INIT is relaxed to no longer require
> KVM_ARM_VCPU_PMU_V3_IRQ to be called for GICv5-based guests. In this
> case, the architectued PPI is automatically used.
> 
> Documentation is bumped accordingly.
> 
> Signed-off-by: Sascha Bischoff <sascha.bischoff at arm.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>