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

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Message-ID: <fdfc2aa4-09d6-4e5c-ae24-8d99b8bbe207@infradead.org>
Date: Wed, 9 Jul 2025 13:51:53 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: "Michael S. Tsirkin" <mst@...hat.com>,
 Stephen Rothwell <sfr@...b.auug.org.au>
Cc: 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 vhost tree

On 7/9/25 1:00 PM, Michael S. Tsirkin wrote:
> On Wed, Jul 09, 2025 at 10:19:05PM +1000, Stephen Rothwell wrote:
>> Hi all,
>>
>> After merging the vhost tree, today's linux-next build (x86_64
>> allnoconfig) failed like this:
>>
>> In file included from /home/sfr/next/next/arch/x86/events/amd/ibs.c:12:
>> /home/sfr/next/next/include/linux/pci.h: In function 'pci_set_disconnect_work':
>> /home/sfr/next/next/include/linux/pci.h:2738:14: error: implicit declaration of function 'pci_device_is_present'; did you mean 'pci_dev_present'? [-Wimplicit-function-declaration]
>>  2738 |         if (!pci_device_is_present(pdev))
>>       |              ^~~~~~~~~~~~~~~~~~~~~
>>       |              pci_dev_present
>>
>> Caused by commit
>>
>>   b7468115b604 ("pci: report surprise removal event")
>>
>> I have reverted that commit and the 4 following ones (just in case).
>>
>> -- 
>> Cheers,
>> Stephen Rothwell
> 
> 
> 
> Weird:
> $ git grep pci_device_is_present include/linux/pci.h 
> include/linux/pci.h:bool pci_device_is_present(struct pci_dev *pdev);
> include/linux/pci.h:    if (!pci_device_is_present(pdev))
> 

in x86_64 allnoconfig, CONFIG_PCI is not enabled.

The function is only defined when CONFIG_PCI is enabled.

> and of course I did build it ... which commit should I test?
> 

The one that Stephen listed above?

-- 
~Randy