Messages in this thread | | | Date | Sat, 17 Mar 2018 22:10:13 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH 00/10 v2] iommu/amd: lock splitting & GFP_KERNEL allocation |
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On 2018-03-17 14:49:54 [-0500], Scott Wood wrote: > 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?
9 gives me GFP_KERNEL instead atomic so no. 4 is needed I think but I could double check on Monday.
> -Scott
Sebastian
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