On 17 March 2021 13:32:35 GMT, Joerg Roedel <joro@xxxxxxxxxx> wrote: >On Wed, Mar 17, 2021 at 11:47:11AM +0000, David Woodhouse wrote: >> If you've already moved the Stoney Ridge check out of the way, >there's >> no real reason why you can't just set >init_state=IOMMU_CMDLINE_DISABLED >> directly from parse_amd_iommu_options(), is there? Then you don't >need >> the condition here at all? > >True, there is even more room for optimization. The amd_iommu_disabled >variable can go away entirely, including its checks in >early_amd_iommu_init(). I will do a patch-set on-top of this for v5.13 >which does more cleanups. If we can get to the point where we don't even need to check amd_iommu_irq_remap in the ...select() function because the IRQ domain is never even registered in the case where the flag ends up false, all the better :) -- Sent from my Android device with K-9 Mail. Please excuse my brevity.