Re: [PATCH v10 16/26] firmware: qcom_scm: Register Gunyah platform ops
From: kernel test robot
Date: Thu Feb 16 2023 - 06:10:44 EST
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