linux-kernel - Re: [PATCH v3 6/6] kvm: arm64: Add ACPI support for virt arch timer

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Message-ID: <201602072148.KCt0P2NE%fengguang.wu@intel.com>
Date:	Sun, 7 Feb 2016 21:30:25 +0800
From:	kbuild test robot <lkp@...el.com>
To:	fu.wei@...aro.org
Cc:	kbuild-all@...org, rjw@...ysocki.net, lenb@...nel.org,
	daniel.lezcano@...aro.org, tglx@...utronix.de,
	christoffer.dall@...aro.org, marc.zyngier@....com, gleb@...nel.org,
	pbonzini@...hat.com, hanjun.guo@...aro.org, wei@...hat.com,
	a.spyridakis@...tualopensystems.com, linaro-acpi@...ts.linaro.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
	kvm@...r.kernel.org, al.stone@...aro.org,
	graeme.gregory@...aro.org, davem@...emloft.net,
	jeffrey.t.kirsher@...el.com, richardcochran@...il.com,
	arnd@...db.de, wim@...ana.be, jcm@...hat.com, leo.duran@....com,
	mark.rutland@....com, catalin.marinas@....com, will.deacon@....com,
	Suravee.Suthikulpanit@....com, robherring2@...il.com,
	Fu Wei <fu.wei@...aro.org>
Subject: Re: [PATCH v3 6/6] kvm: arm64: Add ACPI support for virt arch timer

Hi Fu,

[auto build test ERROR on tip/timers/core]
[also build test ERROR on v4.5-rc2 next-20160205]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/fu-wei-linaro-org/acpi-clocksource-kvm-add-GTDT-and-ARM-memory-mapped-timer-support/20160202-043111
config: arm64-allyesconfig (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=arm64 

All errors (new ones prefixed by >>):

   arch/arm64/kvm/../../../virt/kvm/arm/arch_timer.c: In function 'kvm_timer_get_ppi':
>> arch/arm64/kvm/../../../virt/kvm/arm/arch_timer.c:404:2: error: implicit declaration of function 'gtdt_arch_timer_data_init' [-Werror=implicit-function-declaration]
     if (!*ppi && !gtdt_arch_timer_data_init(NULL, &data))
     ^
   cc1: some warnings being treated as errors

vim +/gtdt_arch_timer_data_init +404 arch/arm64/kvm/../../../virt/kvm/arm/arch_timer.c

   398	
   399		*ppi = irq_of_parse_and_map(np, VIRT_PPI);
   400		of_node_put(np);
   401	
   402	skip_of:
   403	#ifdef CONFIG_ACPI_GTDT
 > 404		if (!*ppi && !gtdt_arch_timer_data_init(NULL, &data))
   405			*ppi = data.virt_ppi;
   406	#endif
   407	

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