Re: [PATCH 5/6] KVM: PPC: Book3S HV: Send IPI to host core to wake VCPU

["Suresh E. Warrier" <warrier@linux.vnet.ibm.com>]

This patch set depends upon a previous patch set that I had submitted to
linux-ppc. The URL for that is:

https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-October/135794.html

-suresh

On 10/29/2015 11:52 PM, kbuild test robot wrote:
> Hi Suresh,
> 
> [auto build test ERROR on kvm/linux-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
> 
> url:    https://github.com/0day-ci/linux/commits/Suresh-Warrier/KVM-PPC-Book3S-HV-Optimize-wakeup-VCPU-from-H_IPI/20151030-081329
> config: powerpc-defconfig (attached as .config)
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=powerpc 
> 
> All errors (new ones prefixed by >>):
> 
>    arch/powerpc/kvm/book3s_hv_rm_xics.c: In function 'icp_rm_set_vcpu_irq':
>>> arch/powerpc/kvm/book3s_hv_rm_xics.c:142:4: error: implicit declaration of function 'smp_muxed_ipi_rm_message_pass' [-Werror=implicit-function-declaration]
>        smp_muxed_ipi_rm_message_pass(hcpu,
>        ^
>    arch/powerpc/kvm/book3s_hv_rm_xics.c:143:7: error: 'PPC_MSG_RM_HOST_ACTION' undeclared (first use in this function)
>           PPC_MSG_RM_HOST_ACTION);
>           ^
>    arch/powerpc/kvm/book3s_hv_rm_xics.c:143:7: note: each undeclared identifier is reported only once for each function it appears in
>    cc1: all warnings being treated as errors
> 
> vim +/smp_muxed_ipi_rm_message_pass +142 arch/powerpc/kvm/book3s_hv_rm_xics.c
> 
>    136			hcore = -1;
>    137			if (kvmppc_host_rm_ops_hv)
>    138				hcore = find_available_hostcore(XICS_RM_KICK_VCPU);
>    139			if (hcore != -1) {
>    140				hcpu = hcore << threads_shift;
>    141				kvmppc_host_rm_ops_hv->rm_core[hcore].rm_data = vcpu;
>  > 142				smp_muxed_ipi_rm_message_pass(hcpu,
>    143							PPC_MSG_RM_HOST_ACTION);
>    144			} else {
>    145				this_icp->rm_action |= XICS_RM_KICK_VCPU;
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>