linux-kernel - Re: [patch 05/22] genirq/msi: Fixup includes

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Date:   Tue, 30 Nov 2021 22:48:22 +0100
From:   Cédric Le Goater <clg@...d.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
CC:     <linux-hyperv@...r.kernel.org>, Paul Mackerras <paulus@...ba.org>,
        <sparclinux@...r.kernel.org>, Wei Liu <wei.liu@...nel.org>,
        Ashok Raj <ashok.raj@...el.com>, Marc Zygnier <maz@...nel.org>,
        <x86@...nel.org>, Christian Borntraeger <borntraeger@...ibm.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Jason Gunthorpe <jgg@...dia.com>, <linux-pci@...r.kernel.org>,
        <xen-devel@...ts.xenproject.org>, <ath11k@...ts.infradead.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Megha Dey <megha.dey@...el.com>,
        Juergen Gross <jgross@...e.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-mips@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [patch 05/22] genirq/msi: Fixup includes

On 11/29/21 22:38, Thomas Gleixner wrote:
> Cedric,
> 
> On Mon, Nov 29 2021 at 08:33, Cédric Le Goater wrote:
>> On 11/27/21 02:18, Thomas Gleixner wrote:
>>> Remove the kobject.h include from msi.h as it's not required and add a
>>> sysfs.h include to the core code instead.
>>>
>>> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
>>
>>
>> This patch breaks compile on powerpc :
>>
>>     CC      arch/powerpc/kernel/msi.o
>> In file included from ../arch/powerpc/kernel/msi.c:7:
>> ../include/linux/msi.h:410:65: error: ‘struct cpumask’ declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>>     410 | int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
>>         |                                                                 ^~~~~~~
>> cc1: all warnings being treated as errors
>>
>> Below is fix you can merge in patch 5.
> 
> thanks for having a look. I fixed up this and other fallout and pushed out an
> updated series (all 4 parts) to:
> 
>          git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel msi

pSeries fails to allocate MSIs starting with this patch :

  [PATCH 049/101] powerpc/pseries/msi: Let core code check for contiguous ...

I will dig in later on.

C.