Hi Elliot, Thank you for the patch! Yet something to improve: [auto build test ERROR on 3ebb0ac55efaf1d0fb1b106f852c114e5021f7eb] url: https://github.com/intel-lab-lkp/linux/commits/Elliot-Berman/docs-gunyah-Introduce-Gunyah-Hypervisor/20230215-055721 base: 3ebb0ac55efaf1d0fb1b106f852c114e5021f7eb patch link: https://lore.kernel.org/r/20230214212457.3319814-1-quic_eberman%40quicinc.com patch subject: [PATCH v10 16/26] firmware: qcom_scm: Register Gunyah platform ops config: hexagon-randconfig-r041-20230212 (https://download.01.org/0day-ci/archive/20230216/202302161942.xItsHIi1-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f) 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 # https://github.com/intel-lab-lkp/linux/commit/33f0c4b130c7b249a1524da8076dd12333aa7cde git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Elliot-Berman/docs-gunyah-Introduce-Gunyah-Hypervisor/20230215-055721 git checkout 33f0c4b130c7b249a1524da8076dd12333aa7cde # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/firmware/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302161942.xItsHIi1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/firmware/qcom_scm.c:7: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/firmware/qcom_scm.c:7: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/firmware/qcom_scm.c:7: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> drivers/firmware/qcom_scm.c:1335:7: error: incompatible pointer types passing 'u64 *' (aka 'unsigned long long *') to parameter of type 'unsigned int *' [-Werror,-Wincompatible-pointer-types] &src_cpy, new_perms, mem_parcel->n_acl_entries); ^~~~~~~~ drivers/firmware/qcom_scm.c:912:18: note: passing argument to parameter 'srcvm' here unsigned int *srcvm, ^ drivers/firmware/qcom_scm.c:1353:7: error: incompatible pointer types passing 'u64 *' (aka 'unsigned long long *') to parameter of type 'unsigned int *' [-Werror,-Wincompatible-pointer-types] &src_cpy, new_perms, 1)); ^~~~~~~~ include/asm-generic/bug.h:147:18: note: expanded from macro 'WARN_ON_ONCE' DO_ONCE_LITE_IF(condition, WARN_ON, 1) ^~~~~~~~~ include/linux/once_lite.h:28:27: note: expanded from macro 'DO_ONCE_LITE_IF' bool __ret_do_once = !!(condition); \ ^~~~~~~~~ drivers/firmware/qcom_scm.c:912:18: note: passing argument to parameter 'srcvm' here unsigned int *srcvm, ^ drivers/firmware/qcom_scm.c:1385:7: error: incompatible pointer types passing 'u64 *' (aka 'unsigned long long *') to parameter of type 'unsigned int *' [-Werror,-Wincompatible-pointer-types] &src_cpy, &new_perms, 1); ^~~~~~~~ drivers/firmware/qcom_scm.c:912:18: note: passing argument to parameter 'srcvm' here unsigned int *srcvm, ^ 6 warnings and 3 errors generated. vim +1335 drivers/firmware/qcom_scm.c 1303 1304 static int qcom_scm_gh_rm_pre_mem_share(struct gh_rm *rm, struct gh_rm_mem_parcel *mem_parcel) 1305 { 1306 struct qcom_scm_vmperm *new_perms; 1307 u64 src, src_cpy; 1308 int ret = 0, i, n; 1309 u16 vmid; 1310 1311 new_perms = kcalloc(mem_parcel->n_acl_entries, sizeof(*new_perms), GFP_KERNEL); 1312 if (!new_perms) 1313 return -ENOMEM; 1314 1315 for (n = 0; n < mem_parcel->n_acl_entries; n++) { 1316 vmid = le16_to_cpu(mem_parcel->acl_entries[n].vmid); 1317 if (vmid <= QCOM_SCM_MAX_MANAGED_VMID) 1318 new_perms[n].vmid = vmid; 1319 else 1320 new_perms[n].vmid = QCOM_SCM_RM_MANAGED_VMID; 1321 if (mem_parcel->acl_entries[n].perms & GH_RM_ACL_X) 1322 new_perms[n].perm |= QCOM_SCM_PERM_EXEC; 1323 if (mem_parcel->acl_entries[n].perms & GH_RM_ACL_W) 1324 new_perms[n].perm |= QCOM_SCM_PERM_WRITE; 1325 if (mem_parcel->acl_entries[n].perms & GH_RM_ACL_R) 1326 new_perms[n].perm |= QCOM_SCM_PERM_READ; 1327 } 1328 1329 src = (1ull << QCOM_SCM_VMID_HLOS); 1330 1331 for (i = 0; i < mem_parcel->n_mem_entries; i++) { 1332 src_cpy = src; 1333 ret = qcom_scm_assign_mem(le64_to_cpu(mem_parcel->mem_entries[i].ipa_base), 1334 le64_to_cpu(mem_parcel->mem_entries[i].size), > 1335 &src_cpy, new_perms, mem_parcel->n_acl_entries); 1336 if (ret) { 1337 src = 0; 1338 for (n = 0; n < mem_parcel->n_acl_entries; n++) { 1339 vmid = le16_to_cpu(mem_parcel->acl_entries[n].vmid); 1340 if (vmid <= QCOM_SCM_MAX_MANAGED_VMID) 1341 src |= (1ull << vmid); 1342 else 1343 src |= (1ull << QCOM_SCM_RM_MANAGED_VMID); 1344 } 1345 1346 new_perms[0].vmid = QCOM_SCM_VMID_HLOS; 1347 1348 for (i--; i >= 0; i--) { 1349 src_cpy = src; 1350 WARN_ON_ONCE(qcom_scm_assign_mem( 1351 le64_to_cpu(mem_parcel->mem_entries[i].ipa_base), 1352 le64_to_cpu(mem_parcel->mem_entries[i].size), 1353 &src_cpy, new_perms, 1)); 1354 } 1355 break; 1356 } 1357 } 1358 1359 kfree(new_perms); 1360 return ret; 1361 } 1362 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
