Hi Ganesh, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on v5.8-rc6 next-20200720] [cannot apply to mpe/next scottwood/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-pseries-Avoid-using-addr_to_pfn-in-realmode/20200720-160622 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/platforms/pseries/ras.c:125:12: warning: no previous prototype for 'init_ras_hotplug_IRQ' [-Wmissing-prototypes] 125 | int __init init_ras_hotplug_IRQ(void) | ^~~~~~~~~~~~~~~~~~~~ arch/powerpc/platforms/pseries/ras.c: In function 'ras_epow_interrupt': arch/powerpc/platforms/pseries/ras.c:319:6: warning: variable 'status' set but not used [-Wunused-but-set-variable] 319 | int status; | ^~~~~~ arch/powerpc/platforms/pseries/ras.c: In function 'mce_handle_error': >> arch/powerpc/platforms/pseries/ras.c:723:17: warning: variable >> 'err_sub_type' set but not used [-Wunused-but-set-variable] 723 | u8 error_type, err_sub_type; | ^~~~~~~~~~~~ vim +/err_sub_type +723 arch/powerpc/platforms/pseries/ras.c 717 718 static int mce_handle_error(struct pt_regs *regs, struct rtas_error_log *errp) 719 { 720 struct pseries_errorlog *pseries_log; 721 struct pseries_mc_errorlog *mce_log = NULL; 722 int disposition = rtas_error_disposition(errp); > 723 u8 error_type, err_sub_type; 724 725 if (!rtas_error_extended(errp)) 726 goto out; 727 728 pseries_log = get_pseries_errorlog(errp, PSERIES_ELOG_SECT_ID_MCE); 729 if (!pseries_log) 730 goto out; 731 732 mce_log = (struct pseries_mc_errorlog *)pseries_log->data; 733 error_type = mce_log->error_type; 734 err_sub_type = rtas_mc_error_sub_type(mce_log); 735 736 disposition = mce_handle_err_realmode(disposition, error_type); 737 738 /* 739 * Enable translation as we will be accessing per-cpu variables 740 * in save_mce_event() which may fall outside RMO region, also 741 * leave it enabled because subsequently we will be queuing work 742 * to workqueues where again per-cpu variables accessed, besides 743 * fwnmi_release_errinfo() crashes when called in realmode on 744 * pseries. 745 * Note: All the realmode handling like flushing SLB entries for 746 * SLB multihit is done by now. 747 */ 748 out: 749 mtmsr(mfmsr() | MSR_IR | MSR_DR); 750 disposition = mce_handle_err_virtmode(regs, errp, mce_log, 751 disposition); 752 return disposition; 753 } 754 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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