[PATCH v2 04/10] KVM: arm/arm64: vgic: Only set underflow when actually out of LRs
Marc Zyngier
marc.zyngier at arm.com
Mon Mar 27 03:59:12 PDT 2017
On 21/03/17 21:10, Christoffer Dall wrote:
> We currently assume that all the interrupts in our AP list will be
> queued to LRs, but that's not necessarily the case, because some of them
> could have been migrated away to different VCPUs and only the VCPU
> thread itself can remove interrupts from its AP list.
>
> Therefore, slightly change the logic to only setting the underflow
> interrupt when we actually run out of LRs.
>
> As it turns out, this allows us to further simplify the handling in
> vgic_sync_hwstate in later patches.
>
> Signed-off-by: Christoffer Dall <cdall at linaro.org>
Acked-by: Marc Zyngier <marc.zyngier at arm.com>
M.
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