Re: [PATCH 3/3] powerpc/64s: cpufeatures: add initial implementation for cpufeatures

From: kbuild test robot <lkp@intel.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: kbuild-all@01.org, Michael Ellerman <mpe@ellerman.id.au>,
	linuxppc-dev@lists.ozlabs.org,
	Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH 3/3] powerpc/64s: cpufeatures: add initial implementation for cpufeatures
Date: Thu, 6 Apr 2017 16:59:49 +0800	[thread overview]
Message-ID: <201704061608.7qHsw9bE%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170405123706.6081-4-npiggin@gmail.com>

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Hi Nicholas,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.11-rc5 next-20170406]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Nicholas-Piggin/latest-cpufeatures-patch-series/20170406-140710
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/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/kernel/prom.c: In function 'early_init_dt_scan_cpufeatures':
>> arch/powerpc/kernel/prom.c:508:2: error: 'has_cpufeatures_node' undeclared (first use in this function)
     has_cpufeatures_node = 1;
     ^~~~~~~~~~~~~~~~~~~~
   arch/powerpc/kernel/prom.c:508:2: note: each undeclared identifier is reported only once for each function it appears in
   arch/powerpc/kernel/prom.c: In function 'early_init_dt_scan_cpus':
   arch/powerpc/kernel/prom.c:631:7: error: 'has_cpufeatures_node' undeclared (first use in this function)
     if (!has_cpufeatures_node) {
          ^~~~~~~~~~~~~~~~~~~~

vim +/has_cpufeatures_node +508 arch/powerpc/kernel/prom.c

   502			printk("cpu-features node has missing property \"isa\"\n");
   503			return 0;
   504		}
   505	
   506		isa = be32_to_cpup(prop);
   507	
 > 508		has_cpufeatures_node = 1;
   509	
   510		/* Count and allocate space for cpu features */
   511		of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes,

---
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