Hi Ganesh, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on v5.9-rc5 next-20200916] [cannot apply to scottwood/next mpe/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Ganesh-Goudar/powerpc-mce-Fix-mce-handler-and-add-selftest/20200917-092355 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): arch/powerpc/sysdev/mce_error_inject.c: In function 'insert_slb_entry': >> arch/powerpc/sysdev/mce_error_inject.c:52:22: warning: variable 'paca' set >> but not used [-Wunused-but-set-variable] 52 | struct paca_struct *paca; | ^~~~ # https://github.com/0day-ci/linux/commit/4ab1196e8e542fdf0e7cda8638dfb0e5771fd98e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ganesh-Goudar/powerpc-mce-Fix-mce-handler-and-add-selftest/20200917-092355 git checkout 4ab1196e8e542fdf0e7cda8638dfb0e5771fd98e vim +/paca +52 arch/powerpc/sysdev/mce_error_inject.c 48 49 static void insert_slb_entry(char *p, int ssize) 50 { 51 unsigned long flags, entry; > 52 struct paca_struct *paca; 53 54 flags = SLB_VSID_KERNEL | mmu_psize_defs[MMU_PAGE_64K].sllp; 55 56 preempt_disable(); 57 58 paca = get_paca(); 59 60 entry = get_slb_index(); 61 asm volatile("slbmte %0,%1" : 62 : "r" (mk_vsid_data((unsigned long)p, ssize, flags)), 63 "r" (mk_esid_data((unsigned long)p, ssize, entry)) 64 : "memory"); 65 66 entry = get_slb_index(); 67 asm volatile("slbmte %0,%1" : 68 : "r" (mk_vsid_data((unsigned long)p, ssize, flags)), 69 "r" (mk_esid_data((unsigned long)p, ssize, entry)) 70 : "memory"); 71 preempt_enable(); 72 p[0] = '!'; 73 } 74 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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