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SubjectRe: [PATCH] PCI: Don't let mmio fallback to must-only, if ioport fails with must+optional
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On Fri, May 24, 2013 at 10:25 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
>
> The problem we're trying to solve is that when allocation for type X
> fails, we retry allocation for type Y.
>
> This patch handles IO specially. I think it basically says, "if we
> only have IO allocation failures, don't retry MEM allocation." But a
> clean strategy would also avoid retrying IO allocation if we only had
> MEM allocation failures.

Well, that will make it little bit complicated as v3 that is sent in
another mail.

Need to separate ioport, mmio, mmio pref three types.

Yinghai


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