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SubjectRe: [PATCH 5.13 345/380] KVM: arm64: vgic: move irq->get_input_level into an ops structure
On Thu, 16 Sep 2021 17:01:42 +0100,
Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>
> From: Marc Zyngier <maz@kernel.org>
>
> [ Upstream commit db75f1a33f82ad332b6e139c5960e01999969d2c ]
>
> We already have the option to attach a callback to an interrupt
> to retrieve its pending state. As we are planning to expand this
> facility, move this callback into its own data structure.
>
> This will limit the size of individual interrupts as the ops
> structures can be shared across multiple interrupts.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> arch/arm64/kvm/arch_timer.c | 8 ++++++--
> arch/arm64/kvm/vgic/vgic.c | 14 +++++++-------
> include/kvm/arm_vgic.h | 28 +++++++++++++++++-----------
> 3 files changed, 30 insertions(+), 20 deletions(-)

As I replied to Sasha earlier, I don't see a good reason to backport
this, as it doesn't improve anything on its own. Unless there is a
compelling reason to get this backported, I'd rather see it dropped.

Thanks,

M.

--
Without deviation from the norm, progress is not possible.

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