* [akpm-mm:mm-nonmm-unstable 35/36] arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
@ 2023-07-18 0:17 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-07-18 0:17 UTC (permalink / raw)
To: Andy Shevchenko
Cc: llvm, oe-kbuild-all, Andrew Morton, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
head: 643039cbab79355ceb1ce9a91e2a7483a44bec05
commit: fceebffabbb6a664115469aac95d243048b09d22 [35/36] arm64: smccc: replace custom COUNT_ARGS() & CONCATENATE() implementations
config: arm64-randconfig-r036-20230717 (https://download.01.org/0day-ci/archive/20230718/202307180822.ixtEtD76-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230718/202307180822.ixtEtD76-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307180822.ixtEtD76-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '__declare_arg_2'
102 | arm_smccc_1_1_invoke(ARM_SMCCC_HV_PV_TIME_ST, &res);
| ^
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:146:1: note: expanded from here
146 | __declare_arg_2
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '__declare_arg_2'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:154:1: note: expanded from here
154 | __declare_arg_2
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '__declare_arg_2'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:535:3: note: expanded from macro '__fail_smccc_1_1'
535 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:162:1: note: expanded from here
162 | __declare_arg_2
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:537:10: note: expanded from macro '__fail_smccc_1_1'
537 | : CONCATENATE(__constraint_read_, \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:540:7: note: expanded from macro '__fail_smccc_1_1'
540 | if (___res) \
| ^
>> arch/arm64/kernel/paravirt.c:102:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:541:4: note: expanded from macro '__fail_smccc_1_1'
541 | ___res->a0 = SMCCC_RET_NOT_SUPPORTED; \
| ^
>> arch/arm64/kernel/paravirt.c:144:2: error: use of undeclared identifier '__declare_arg_3'
144 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:178:1: note: expanded from here
178 | __declare_arg_3
| ^
arch/arm64/kernel/paravirt.c:144:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
arch/arm64/kernel/paravirt.c:144:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
arch/arm64/kernel/paravirt.c:144:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
arch/arm64/kernel/paravirt.c:144:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
--
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '__declare_arg_3'
186 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:164:1: note: expanded from here
164 | __declare_arg_3
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:563:4: note: expanded from macro 'arm_smccc_1_1_invoke'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:526:32: note: expanded from macro 'arm_smccc_1_1_hvc'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '__declare_arg_3'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:172:1: note: expanded from here
172 | __declare_arg_3
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:566:4: note: expanded from macro 'arm_smccc_1_1_invoke'
566 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '__declare_arg_3'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:535:3: note: expanded from macro '__fail_smccc_1_1'
535 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:180:1: note: expanded from here
180 | __declare_arg_3
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:537:10: note: expanded from macro '__fail_smccc_1_1'
537 | : CONCATENATE(__constraint_read_, \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:540:7: note: expanded from macro '__fail_smccc_1_1'
540 | if (___res) \
| ^
>> arch/arm64/kernel/proton-pack.c:186:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:569:4: note: expanded from macro 'arm_smccc_1_1_invoke'
569 | __fail_smccc_1_1(__VA_ARGS__); \
| ^
include/linux/arm-smccc.h:541:4: note: expanded from macro '__fail_smccc_1_1'
541 | ___res->a0 = SMCCC_RET_NOT_SUPPORTED; \
| ^
>> arch/arm64/kernel/proton-pack.c:239:2: error: use of undeclared identifier '__declare_arg_2'
239 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:485:3: note: expanded from macro '__arm_smccc_1_1'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
include/linux/args.h:25:24: note: expanded from macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
<scratch space>:194:1: note: expanded from here
194 | __declare_arg_2
| ^
arch/arm64/kernel/proton-pack.c:239:2: error: use of undeclared identifier 'arg0'
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:489:11: note: expanded from macro '__arm_smccc_1_1'
489 | : CONCATENATE(__constraint_read_, \
| ^
include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/arm-smccc.h:419:29: note: expanded from macro '__constraint_read_2'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^
include/linux/arm-smccc.h:418:29: note: expanded from macro '__constraint_read_1'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^
include/linux/arm-smccc.h:417:34: note: expanded from macro '__constraint_read_0'
417 | #define __constraint_read_0 "r" (arg0)
| ^
arch/arm64/kernel/proton-pack.c:239:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:492:7: note: expanded from macro '__arm_smccc_1_1'
492 | if (___res) \
| ^
arch/arm64/kernel/proton-pack.c:239:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:23: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
arch/arm64/kernel/proton-pack.c:239:2: error: use of undeclared identifier '___res'
include/linux/arm-smccc.h:510:32: note: expanded from macro 'arm_smccc_1_1_smc'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^
include/linux/arm-smccc.h:493:5: note: expanded from macro '__arm_smccc_1_1'
493 | *___res = (typeof(*___res)){r0, r1, r2, r3}; \
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
..
vim +/___res +102 arch/arm64/kernel/paravirt.c
e0685fa228fdaf Steven Price 2019-10-21 93
75df529bec9110 Andrew Jones 2020-09-16 94 static int stolen_time_cpu_online(unsigned int cpu)
e0685fa228fdaf Steven Price 2019-10-21 95 {
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 96 struct pvclock_vcpu_stolen_time *kaddr = NULL;
e0685fa228fdaf Steven Price 2019-10-21 97 struct pv_time_stolen_time_region *reg;
e0685fa228fdaf Steven Price 2019-10-21 98 struct arm_smccc_res res;
e0685fa228fdaf Steven Price 2019-10-21 99
e0685fa228fdaf Steven Price 2019-10-21 100 reg = this_cpu_ptr(&stolen_time_region);
e0685fa228fdaf Steven Price 2019-10-21 101
e0685fa228fdaf Steven Price 2019-10-21 @102 arm_smccc_1_1_invoke(ARM_SMCCC_HV_PV_TIME_ST, &res);
e0685fa228fdaf Steven Price 2019-10-21 103
e0685fa228fdaf Steven Price 2019-10-21 104 if (res.a0 == SMCCC_RET_NOT_SUPPORTED)
e0685fa228fdaf Steven Price 2019-10-21 105 return -EINVAL;
e0685fa228fdaf Steven Price 2019-10-21 106
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 107 kaddr = memremap(res.a0,
e0685fa228fdaf Steven Price 2019-10-21 108 sizeof(struct pvclock_vcpu_stolen_time),
e0685fa228fdaf Steven Price 2019-10-21 109 MEMREMAP_WB);
e0685fa228fdaf Steven Price 2019-10-21 110
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 111 rcu_assign_pointer(reg->kaddr, kaddr);
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 112
e0685fa228fdaf Steven Price 2019-10-21 113 if (!reg->kaddr) {
e0685fa228fdaf Steven Price 2019-10-21 114 pr_warn("Failed to map stolen time data structure\n");
e0685fa228fdaf Steven Price 2019-10-21 115 return -ENOMEM;
e0685fa228fdaf Steven Price 2019-10-21 116 }
e0685fa228fdaf Steven Price 2019-10-21 117
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 118 if (le32_to_cpu(kaddr->revision) != 0 ||
19bef63f951e47 Prakruthi Deepak Heragu 2022-05-13 119 le32_to_cpu(kaddr->attributes) != 0) {
e0685fa228fdaf Steven Price 2019-10-21 120 pr_warn_once("Unexpected revision or attributes in stolen time data\n");
e0685fa228fdaf Steven Price 2019-10-21 121 return -ENXIO;
e0685fa228fdaf Steven Price 2019-10-21 122 }
e0685fa228fdaf Steven Price 2019-10-21 123
e0685fa228fdaf Steven Price 2019-10-21 124 return 0;
e0685fa228fdaf Steven Price 2019-10-21 125 }
e0685fa228fdaf Steven Price 2019-10-21 126
75df529bec9110 Andrew Jones 2020-09-16 127 static int __init pv_time_init_stolen_time(void)
e0685fa228fdaf Steven Price 2019-10-21 128 {
e0685fa228fdaf Steven Price 2019-10-21 129 int ret;
e0685fa228fdaf Steven Price 2019-10-21 130
75df529bec9110 Andrew Jones 2020-09-16 131 ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
75df529bec9110 Andrew Jones 2020-09-16 132 "hypervisor/arm/pvtime:online",
75df529bec9110 Andrew Jones 2020-09-16 133 stolen_time_cpu_online,
75df529bec9110 Andrew Jones 2020-09-16 134 stolen_time_cpu_down_prepare);
e0685fa228fdaf Steven Price 2019-10-21 135 if (ret < 0)
e0685fa228fdaf Steven Price 2019-10-21 136 return ret;
e0685fa228fdaf Steven Price 2019-10-21 137 return 0;
e0685fa228fdaf Steven Price 2019-10-21 138 }
e0685fa228fdaf Steven Price 2019-10-21 139
75df529bec9110 Andrew Jones 2020-09-16 140 static bool __init has_pv_steal_clock(void)
e0685fa228fdaf Steven Price 2019-10-21 141 {
e0685fa228fdaf Steven Price 2019-10-21 142 struct arm_smccc_res res;
e0685fa228fdaf Steven Price 2019-10-21 143
e0685fa228fdaf Steven Price 2019-10-21 @144 arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
e0685fa228fdaf Steven Price 2019-10-21 145 ARM_SMCCC_HV_PV_TIME_FEATURES, &res);
e0685fa228fdaf Steven Price 2019-10-21 146
e0685fa228fdaf Steven Price 2019-10-21 147 if (res.a0 != SMCCC_RET_SUCCESS)
e0685fa228fdaf Steven Price 2019-10-21 148 return false;
e0685fa228fdaf Steven Price 2019-10-21 149
e0685fa228fdaf Steven Price 2019-10-21 150 arm_smccc_1_1_invoke(ARM_SMCCC_HV_PV_TIME_FEATURES,
e0685fa228fdaf Steven Price 2019-10-21 151 ARM_SMCCC_HV_PV_TIME_ST, &res);
e0685fa228fdaf Steven Price 2019-10-21 152
e0685fa228fdaf Steven Price 2019-10-21 153 return (res.a0 == SMCCC_RET_SUCCESS);
e0685fa228fdaf Steven Price 2019-10-21 154 }
e0685fa228fdaf Steven Price 2019-10-21 155
:::::: The code at line 102 was first introduced by commit
:::::: e0685fa228fdaf386f82ac0d64b2d6f3e0ddd588 arm64: Retrieve stolen time as paravirtualized guest
:::::: TO: Steven Price <steven.price@arm.com>
:::::: CC: Marc Zyngier <maz@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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