On Thu, 8 Sep 2022 23:25:41 +1000, Nicholas Piggin wrote: > On guest entry, vcpu->cpu and vcpu->arch.thread_cpu are set after > disabling host irqs. On guest exit there is a window whre tick time > accounting briefly enables irqs before these fields are cleared. > > Move them up to ensure they are cleared before host irqs are run. > This is possibly not a problem, but is more symmetric and makes the > fields less surprising. > > [...]
Patches 1-4 applied to powerpc/topic/ppc-kvm. [1/5] KVM: PPC: Book3S HV P9: Clear vcpu cpu fields before enabling host irqs https://git.kernel.org/powerpc/c/bc91c04bfff7cdf676011b97bb21b2861d7b21c9 [2/5] KVM: PPC: Book3S HV P9: Fix irq disabling in tick accounting https://git.kernel.org/powerpc/c/c953f7500b65f2b157d1eb468ca8b86328834cce [3/5] KVM: PPC: Book3S HV: Update guest state entry/exit accounting to new API https://git.kernel.org/powerpc/c/b31bc24a49037aad7aa00d2b0354e9704d8134dc [4/5] KVM: PPC: Book3S HV P9: Restore stolen time logging in dtl https://git.kernel.org/powerpc/c/1a5486b3c3517aa1f608a10003ade4da122cb175 cheers