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

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Message-ID: <541FAE98.6080806@linaro.org>
Date:	Mon, 22 Sep 2014 07:07:36 +0200
From:	Eric Auger <eric.auger@...aro.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Christoffer Dall <cdall@...columbia.edu>,
	Marc Zyngier <marc.zyngier@....com>
CC:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: linux-next: build failure after merge of the kvm-arm tree

Dear all,

Thanks Stephen for reporting the problem. Indeed removing irq.h header
file is no more possible since commit
c77dcacb397519b6ade8f08201a4a90a7f4f751e, "KVM: Move more code under
CONFIG_HAVE_KVM_IRQFD" which moves among other things
kvm_register_irq_ack_notifier and kvm_unregister_irq_ack_notifier in
eventfd.c.

including virt/kvm/ioapic.h might fix the problem but I am OoO next week
and cannot investigate further right now.

Please can you remove that commit. Sorry for the inconvenience.

Best Regards

Eric


On 09/22/2014 06:06 AM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the kvm-arm tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> arch/x86/kvm/../../../virt/kvm/eventfd.c: In function 'kvm_register_irq_ack_notifier':
> arch/x86/kvm/../../../virt/kvm/eventfd.c:493:2: error: implicit declaration of function 'kvm_vcpu_request_scan_ioapic' [-Werror=implicit-function-declaration]
>   kvm_vcpu_request_scan_ioapic(kvm);
>   ^
> 
> Probably caused by commit 0ba09511ddc3 ("KVM: EVENTFD: remove inclusion
> of irq.h").
> 
> I have used the kvm-arm tree from next-20140919 for today.
> 

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