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

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Date:	Tue, 8 Sep 2015 10:10:13 +0800
From:	Wanpeng Li <wanpeng.li@...mail.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Gleb Natapov <gleb@...nel.org>
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 tree

Hi Paolo, Stephen,
On 9/8/15 9:35 AM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the kvm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c: In function 'grow_halt_poll_ns':
> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:1931:2: error: implicit declaration of function 'trace_kvm_halt_poll_ns_grow' [-Werror=implicit-function-declaration]
>    trace_kvm_halt_poll_ns_grow(vcpu->vcpu_id, val, old);
>    ^
> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c: In function 'shrink_halt_poll_ns':
> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:1945:2: error: implicit declaration of function 'trace_kvm_halt_poll_ns_shrink' [-Werror=implicit-function-declaration]
>    trace_kvm_halt_poll_ns_shrink(vcpu->vcpu_id, val, old);
>    ^
>
> Caused by commit
>
>    2cbd78244fb2 ("KVM: trace kvm_halt_poll_ns grow/shrink")
>
> I have reverted that commit for today.

I miss place the trace codes under CONFIG_KVM_ASYNC_PF, the patch in the 
attachment rewrite the commit and fix it. Sorry for that.

Regards,
Wanpeng Li

View attachment "0001-KVM-trace-kvm_halt_poll_ns-grow-shrink.patch" of type "text/plain" (2579 bytes)