Re: [tip:x86/apic] iommu/vt-d: Move iommu preparatory allocations to irq_remap_ops.prepare

From: Yinghai Lu
Date: Thu Dec 11 2014 - 21:04:43 EST

On Thu, Dec 11, 2014 at 12:30 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> So irq_2_iommu is empty. That's a multi MSI, and that's the second
> interrupt which gets enabled.
> The patch below should fix it.

Yes, that fixes the problem.

Assume you will fold it into

commit 289472f461d922507f75dd2451770282adb3a99b
Author: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Date: Tue Nov 25 13:53:19 2014 +0800

iommu/vt-d: Enhance Intel IR driver to suppport hierarchy irqdomain


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