Re: [PATCH 00/10 v2] iommu/amd: lock splitting & GFP_KERNEL allocation

[Scott Wood]

On Fri, 2018-03-16 at 21:18 +0100, Sebastian Andrzej Siewior wrote:
> The goal here is to make the memory allocation in get_irq_table() not
> with disabled interrupts and having as little raw_spin_lock as
> possible
> while having them if the caller is also holding one (like desc->lock
> during IRQ-affinity changes).
> I reverted one patch one patch in the iommu while rebasing since it
> make job easier.

If the goal is to have "as little raw_spin_lock as possible" -- and
presumably also to avoid unnecessary complexity -- wouldn't it be
better to leave my patch in, and drop patches 4 and 9?

-Scott