[PATCH] RISC-V: vDSO: Wire up getrandom() vDSO implementation
kernel test robot
lkp at intel.com
Sat Mar 1 16:17:52 PST 2025
Hi Xi,
kernel test robot noticed the following build errors:
[auto build test ERROR on crng-random/master]
[also build test ERROR on shuah-kselftest/next shuah-kselftest/fixes linus/master v6.14-rc4 next-20250228]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Xi-Ruoyao/RISC-V-vDSO-Wire-up-getrandom-vDSO-implementation/20250224-203232
base: https://git.kernel.org/pub/scm/linux/kernel/git/crng/random.git master
patch link: https://lore.kernel.org/r/20250224122541.65045-1-xry111%40xry111.site
patch subject: [PATCH] RISC-V: vDSO: Wire up getrandom() vDSO implementation
config: riscv-randconfig-r122-20250302 (https://download.01.org/0day-ci/archive/20250302/202503020759.lCd4bDgK-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250302/202503020759.lCd4bDgK-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503020759.lCd4bDgK-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/riscv/kernel/vdso/getrandom.c:7:9: warning: no previous prototype for '__vdso_getrandom' [-Wmissing-prototypes]
7 | ssize_t __vdso_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len)
| ^~~~~~~~~~~~~~~~
arch/riscv/kernel/vdso/getrandom.c: In function '__vdso_getrandom':
>> arch/riscv/kernel/vdso/getrandom.c:9:16: error: implicit declaration of function '__cvdso_getrandom'; did you mean '__vdso_getrandom'? [-Wimplicit-function-declaration]
9 | return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len);
| ^~~~~~~~~~~~~~~~~
| __vdso_getrandom
arch/riscv/kernel/vdso/vgetrandom-chacha.S: Assembler messages:
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:92: Error: unrecognized opcode `ld t2,(a2)'
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:118: Error: improper shift amount (32)
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Error: unrecognized opcode `addw s0,s0,s4'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:127: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Error: unrecognized opcode `addw s1,s1,s5'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:127: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Error: unrecognized opcode `addw s2,s2,s6'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:127: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Error: unrecognized opcode `addw s3,s3,s7'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:127: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a5,32-16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a5,a5,16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a6,32-16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a6,a6,16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a7,32-16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a7,a7,16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,t1,32-16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw t1,t1,16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:129: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Error: unrecognized opcode `addw s8,s8,a5'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:131: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Error: unrecognized opcode `addw s9,s9,a6'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:131: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Error: unrecognized opcode `addw s10,s10,a7'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:131: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Error: unrecognized opcode `addw s11,s11,t1'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:131: Info: macro invoked from here
>> arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s4,32-20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s4,s4,20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s5,32-20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s5,s5,20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s6,32-20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s6,s6,20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s7,32-20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s7,s7,20'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:133: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Error: unrecognized opcode `addw s0,s0,s4'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:135: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Error: unrecognized opcode `addw s1,s1,s5'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:135: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Error: unrecognized opcode `addw s2,s2,s6'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:135: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Error: unrecognized opcode `addw s3,s3,s7'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:135: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a5,32-24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a5,a5,24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a6,32-24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a6,a6,24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,a7,32-24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw a7,a7,24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,t1,32-24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw t1,t1,24'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:137: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Error: unrecognized opcode `addw s8,s8,a5'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:139: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Error: unrecognized opcode `addw s9,s9,a6'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:139: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Error: unrecognized opcode `addw s10,s10,a7'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:139: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Error: unrecognized opcode `addw s11,s11,t1'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:139: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s4,32-25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s4,s4,25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s5,32-25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s5,s5,25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s6,32-25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s6,s6,25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,s7,32-25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw s7,s7,25'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:141: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Error: unrecognized opcode `addw s0,s0,s5'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:144: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:21: Error: unrecognized opcode `addw s1,s1,s6'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:144: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:22: Error: unrecognized opcode `addw s2,s2,s7'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:144: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:23: Error: unrecognized opcode `addw s3,s3,s4'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:144: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:14: Error: unrecognized opcode `slliw t0,t1,32-16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:146: Info: macro invoked from here
arch/riscv/kernel/vdso/vgetrandom-chacha.S:15: Error: unrecognized opcode `srliw t1,t1,16'
arch/riscv/kernel/vdso/vgetrandom-chacha.S:20: Info: macro invoked from here
vim +9 arch/riscv/kernel/vdso/getrandom.c
6
7 ssize_t __vdso_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len)
8 {
> 9 return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len);
--
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