arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression

From: kernel test robot
Date: Sat May 13 2023 - 19:10:28 EST

Next message: kernel test robot: "Re: [PATCH v2] fix ___SYNC () build error when PROFILE_ALL_BRANCHES is enabled"
Previous message: Randy Dunlap: "Re: [RFC PATCH] powerpc: udbg: export udbg_putc"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi Yimin,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d4d58949a6eac1c45ab022562c8494725e1ac094
commit: b5e2c507b06c9d36411845149162a804ae7b04a9 riscv: Kconfig: Allow RV32 to build with no MMU
date: 7 weeks ago
config: riscv-randconfig-s033-20230509 (https://download.01.org/0day-ci/archive/20230514/202305140720.Lekmdfp3-lkp@xxxxxxxxx/config)
compiler: riscv32-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5e2c507b06c9d36411845149162a804ae7b04a9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b5e2c507b06c9d36411845149162a804ae7b04a9
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash

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/202305140720.Lekmdfp3-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
WARNING: invalid argument to '-march': '_zihintpause'
crypto/jitterentropy-kcapi.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...):
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
--
WARNING: invalid argument to '-march': '_zihintpause'
crypto/tcrypt.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...):
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
--
WARNING: invalid argument to '-march': '_zihintpause'
lib/rbtree_test.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...):
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
--
WARNING: invalid argument to '-march': '_zihintpause'
>> arch/riscv/mm/init.c:1204:48: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0)
--
WARNING: invalid argument to '-march': '_zihintpause'
arch/riscv/lib/delay.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...):
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
--
WARNING: invalid argument to '-march': '_zihintpause'
drivers/char/random.c: note: in included file (through include/linux/timex.h, include/linux/time32.h, include/linux/time.h, ...):
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *
>> arch/riscv/include/asm/timex.h:25:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
arch/riscv/include/asm/timex.h:25:16: sparse: expected void const volatile [noderef] __iomem *addr
arch/riscv/include/asm/timex.h:25:16: sparse: got unsigned int [usertype] *

vim +/__iomem +25 arch/riscv/include/asm/timex.h

d5be89a8d118a8 Palmer Dabbelt 2020-09-14 16
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 17 #ifdef CONFIG_64BIT
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 18 static inline cycles_t get_cycles(void)
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 19 {
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 20 return readq_relaxed(clint_time_val);
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 21 }
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 22 #else /* !CONFIG_64BIT */
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 23 static inline u32 get_cycles(void)
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 24 {
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 @25 return readl_relaxed(((u32 *)clint_time_val));
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 26 }
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 27 #define get_cycles get_cycles
d5be89a8d118a8 Palmer Dabbelt 2020-09-14 28

:::::: The code at line 25 was first introduced by commit
:::::: d5be89a8d118a8e8d09cd74a921a808f17fbdd09 RISC-V: Resurrect the MMIO timer implementation for M-mode systems

:::::: TO: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
:::::: CC: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

Next message: kernel test robot: "Re: [PATCH v2] fix ___SYNC () build error when PROFILE_ALL_BRANCHES is enabled"
Previous message: Randy Dunlap: "Re: [RFC PATCH] powerpc: udbg: export udbg_putc"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]