Hi Nicholas, [auto build test ERROR on powerpc/next] [also build test ERROR on v4.12 next-20170707] [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/powerpc-powernv-Fix-local-TLB-flush-for-boot-and-MCE-on-POWER9/20170708-011225 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-defconfig (attached as .config) compiler: powerpc64-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/dt_cpu_ftrs.c: In function 'cpufeatures_flush_tlb': >> arch/powerpc/kernel/dt_cpu_ftrs.c:98:18: error: unused variable 'num_sets' >> [-Werror=unused-variable] unsigned int i, num_sets; ^~~~~~~~ >> arch/powerpc/kernel/dt_cpu_ftrs.c:98:15: error: unused variable 'i' >> [-Werror=unused-variable] unsigned int i, num_sets; ^ >> arch/powerpc/kernel/dt_cpu_ftrs.c:97:16: error: unused variable 'rb' >> [-Werror=unused-variable] unsigned long rb; ^~ cc1: all warnings being treated as errors vim +/num_sets +98 arch/powerpc/kernel/dt_cpu_ftrs.c 5a61ef74 Nicholas Piggin 2017-05-09 91 } system_registers; 5a61ef74 Nicholas Piggin 2017-05-09 92 5a61ef74 Nicholas Piggin 2017-05-09 93 static void (*init_pmu_registers)(void); 5a61ef74 Nicholas Piggin 2017-05-09 94 5a61ef74 Nicholas Piggin 2017-05-09 95 static void cpufeatures_flush_tlb(void) 5a61ef74 Nicholas Piggin 2017-05-09 96 { 5a61ef74 Nicholas Piggin 2017-05-09 @97 unsigned long rb; 5a61ef74 Nicholas Piggin 2017-05-09 @98 unsigned int i, num_sets; 5a61ef74 Nicholas Piggin 2017-05-09 99 5a61ef74 Nicholas Piggin 2017-05-09 100 /* 5a61ef74 Nicholas Piggin 2017-05-09 101 * This is a temporary measure to keep equivalent TLB flush as the :::::: The code at line 98 was first introduced by commit :::::: 5a61ef74f269f2573f48fa53607a8911216c3326 powerpc/64s: Support new device tree binding for discovering CPU features :::::: TO: Nicholas Piggin <npig...@gmail.com> :::::: CC: Michael Ellerman <m...@ellerman.id.au> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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