Messages in this thread | | | Date | Tue, 14 Jun 2022 23:03:25 +0800 | From | kernel test robot <> | Subject | arch/powerpc/platforms/powernv/opal-fadump.h:138:25: sparse: sparse: cast from restricted __be64 |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3 commit: b74196af372f7cb4902179009265fe63ac81824f powerpc/fadump: Fix fadump to work with a different endian capture kernel date: 7 weeks ago config: powerpc64-randconfig-s032-20220613 (https://download.01.org/0day-ci/archive/20220614/202206142217.Y5HsfbXB-lkp@intel.com/config) compiler: powerpc64le-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-30-g92122700-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b74196af372f7cb4902179009265fe63ac81824f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b74196af372f7cb4902179009265fe63ac81824f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kvm/ arch/powerpc/platforms/powernv/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) arch/powerpc/platforms/powernv/opal-fadump.c: note: in included file: >> arch/powerpc/platforms/powernv/opal-fadump.h:138:25: sparse: sparse: cast from restricted __be64
vim +138 arch/powerpc/platforms/powernv/opal-fadump.h
123 124 static inline void opal_fadump_read_regs(char *bufp, unsigned int regs_cnt, 125 unsigned int reg_entry_size, 126 bool cpu_endian, 127 struct pt_regs *regs) 128 { 129 struct hdat_fadump_reg_entry *reg_entry; 130 u64 val; 131 int i; 132 133 memset(regs, 0, sizeof(struct pt_regs)); 134 135 for (i = 0; i < regs_cnt; i++, bufp += reg_entry_size) { 136 reg_entry = (struct hdat_fadump_reg_entry *)bufp; 137 val = (cpu_endian ? be64_to_cpu(reg_entry->reg_val) : > 138 (u64)(reg_entry->reg_val)); 139 opal_fadump_set_regval_regnum(regs, 140 be32_to_cpu(reg_entry->reg_type), 141 be32_to_cpu(reg_entry->reg_num), 142 val); 143 } 144 } 145
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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