linux-kernel - Re: linux-next: build failure after merge of the irqchip tree

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Date:   Fri, 08 Jul 2022 08:48:20 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Samuel Holland <samuel@...lland.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the irqchip tree

On Fri, 08 Jul 2022 05:13:44 +0100,
Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> [1  <text/plain; US-ASCII (quoted-printable)>]
> Hi all,
> 
> After merging the irqchip tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/pci/controller/pci-hyperv.c: In function 'hv_compose_msi_req_v2':
> drivers/pci/controller/pci-hyperv.c:1654:42: error: passing argument 1 of 'hv_compose_msi_req_get_cpu' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
>  1654 |         cpu = hv_compose_msi_req_get_cpu(affinity);
>       |                                          ^~~~~~~~
> drivers/pci/controller/pci-hyperv.c:1638:55: note: expected 'struct cpumask *' but argument is of type 'const struct cpumask *'
>  1638 | static int hv_compose_msi_req_get_cpu(struct cpumask *affinity)
>       |                                       ~~~~~~~~~~~~~~~~^~~~~~~~
> drivers/pci/controller/pci-hyperv.c: In function 'hv_compose_msi_req_v3':
> drivers/pci/controller/pci-hyperv.c:1674:42: error: passing argument 1 of 'hv_compose_msi_req_get_cpu' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
>  1674 |         cpu = hv_compose_msi_req_get_cpu(affinity);
>       |                                          ^~~~~~~~
> drivers/pci/controller/pci-hyperv.c:1638:55: note: expected 'struct cpumask *' but argument is of type 'const struct cpumask *'
>  1638 | static int hv_compose_msi_req_get_cpu(struct cpumask *affinity)
>       |                                       ~~~~~~~~~~~~~~~~^~~~~~~~
> cc1: all warnings being treated as errors

I've now merged Samuel's quick fix. Thanks both.

	M.

-- 
Without deviation from the norm, progress is not possible.