linux-kernel - Re: [PATCH 1/1] iommu/hyper-v: Use helper instead of directly accessing affinity

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Date:   Tue, 26 Jul 2022 09:15:58 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     sthemmin@...rosoft.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        wei.liu@...nel.org, decui@...rosoft.com, will@...nel.org,
        robin.murphy@....com, samuel@...lland.org,
        linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        iommu@...ts.linux.dev
Subject: Re: [PATCH 1/1] iommu/hyper-v: Use helper instead of directly
 accessing affinity

Hi Michael,

On Mon, Jul 25, 2022 at 05:53:40PM -0700, Michael Kelley wrote:
> Recent changes to solve inconsistencies in handling IRQ masks #ifdef
> out the affinity field in irq_common_data for non-SMP configurations.
> The current code in hyperv_irq_remapping_alloc() gets a compiler error
> in that case.
> 
> Fix this by using the new irq_data_update_affinity() helper, which
> handles the non-SMP case correctly.
> 
> Signed-off-by: Michael Kelley <mikelley@...rosoft.com>

Please add a fixes tag.

Where is the change which breaks this currently, in some subsystem tree
or already upstream?

In case it is still in a maintainers tree, this patch should be applied
there. Here is my

Acked-by: Joerg Roedel <jroedel@...e.de>

for that.