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    SubjectRe: [EXTERNAL] [tip: x86/apic] x86/io_apic: Cleanup trigger/polarity helpers
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    On 11/11/20 6:32 AM, David Woodhouse wrote:
    > On Wed, 2020-11-11 at 10:36 +0000, David Woodhouse wrote:
    >> On Wed, 2020-11-11 at 10:46 +0100, Thomas Gleixner wrote:
    >>> Looking at it now with brain awake, the XTSUP stuff is pretty much
    >>> the same as DMAR, which I didn't realize yesterday. The affinity
    >>> notifier muck is not needed when we have a write_msg() function which
    >>> twiddles the bits into those other locations.
    >>
    >> I kind of hate the fact that it's swizzling those bits through invalid
    >> MSI messages, so I did it as its own irqdomain using
    >> irq_domain_create_hierarchy() directly instead of
    >> msi_create_irq_domain().
    >
    > Please give this a spin:
    >
    > https://git.infradead.org/users/dwmw2/linux.git/shortlog/refs/heads/amdvi

    I had trouble cloning your tree for some reason, so just took the top
    three patches and applied them to the tip tree. This all appears to be
    working. I'll let the IOMMU experts take a closer look (adding Suravee).

    Thanks,
    Tom

    >

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