linux-next: build failure after merge of the mm tree

From: Stephen Rothwell
Date: Mon Jul 17 2023 - 20:03:11 EST

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Hi all,

After merging the mm tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

In file included from include/linux/arm-smccc.h:8,
from arch/arm/mm/proc-v7-bugs.c:2:
arch/arm/mm/proc-v7-bugs.c: In function 'spectre_v2_get_cpu_fw_mitigation_state':
include/linux/arm-smccc.h:485:29: error: '__declare_arg_3' undeclared (first use in this function)
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:485:29: note: each undeclared identifier is reported only once for each function it appears in
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:417:38: error: 'arg0' undeclared (first use in this function); did you mean 'r0'?
417 | #define __constraint_read_0 "r" (arg0)
| ^~~~
include/linux/arm-smccc.h:418:33: note: in expansion of macro '__constraint_read_0'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:418:59: error: 'arg1' undeclared (first use in this function); did you mean 'r1'?
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:59: error: 'arg2' undeclared (first use in this function); did you mean 'r2'?
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:59: error: 'arg3' undeclared (first use in this function); did you mean 'r3'?
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:492:21: error: '___res' undeclared (first use in this function)
492 | if (___res) \
| ^~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:17:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
17 | arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c: In function 'call_smc_arch_workaround_1':
include/linux/arm-smccc.h:485:29: error: '__declare_arg_2' undeclared (first use in this function)
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:510:33: note: in expansion of macro '__arm_smccc_1_1'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:58:9: note: in expansion of macro 'arm_smccc_1_1_smc'
58 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:417:38: error: 'arg0' undeclared (first use in this function); did you mean 'r0'?
417 | #define __constraint_read_0 "r" (arg0)
| ^~~~
include/linux/arm-smccc.h:418:33: note: in expansion of macro '__constraint_read_0'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:510:33: note: in expansion of macro '__arm_smccc_1_1'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:58:9: note: in expansion of macro 'arm_smccc_1_1_smc'
58 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:418:59: error: 'arg1' undeclared (first use in this function); did you mean 'r1'?
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:510:33: note: in expansion of macro '__arm_smccc_1_1'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:58:9: note: in expansion of macro 'arm_smccc_1_1_smc'
58 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:59: error: 'arg2' undeclared (first use in this function); did you mean 'r2'?
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:510:33: note: in expansion of macro '__arm_smccc_1_1'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:58:9: note: in expansion of macro 'arm_smccc_1_1_smc'
58 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:492:21: error: '___res' undeclared (first use in this function)
492 | if (___res) \
| ^~~~~~
include/linux/arm-smccc.h:510:33: note: in expansion of macro '__arm_smccc_1_1'
510 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:58:9: note: in expansion of macro 'arm_smccc_1_1_smc'
58 | arm_smccc_1_1_smc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c: In function 'call_hvc_arch_workaround_1':
include/linux/arm-smccc.h:485:29: error: '__declare_arg_2' undeclared (first use in this function)
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:63:9: note: in expansion of macro 'arm_smccc_1_1_hvc'
63 | arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:417:38: error: 'arg0' undeclared (first use in this function); did you mean 'r0'?
417 | #define __constraint_read_0 "r" (arg0)
| ^~~~
include/linux/arm-smccc.h:418:33: note: in expansion of macro '__constraint_read_0'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:63:9: note: in expansion of macro 'arm_smccc_1_1_hvc'
63 | arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:418:59: error: 'arg1' undeclared (first use in this function); did you mean 'r1'?
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:63:9: note: in expansion of macro 'arm_smccc_1_1_hvc'
63 | arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:59: error: 'arg2' undeclared (first use in this function); did you mean 'r2'?
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_2'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:63:9: note: in expansion of macro 'arm_smccc_1_1_hvc'
63 | arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:492:21: error: '___res' undeclared (first use in this function)
492 | if (___res) \
| ^~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
arch/arm/mm/proc-v7-bugs.c:63:9: note: in expansion of macro 'arm_smccc_1_1_hvc'
63 | arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_WORKAROUND_1, NULL);
| ^~~~~~~~~~~~~~~~~
make[5]: *** [scripts/Makefile.build:243: arch/arm/mm/proc-v7-bugs.o] Error 1
make[4]: *** [scripts/Makefile.build:477: arch/arm/mm] Error 2
make[3]: *** [scripts/Makefile.build:477: arch/arm] Error 2
make[3]: *** Waiting for unfinished jobs....
In file included from include/linux/arm-smccc.h:8,
from drivers/char/hw_random/arm_smccc_trng.c:20:
drivers/char/hw_random/arm_smccc_trng.c: In function 'smccc_trng_read':
include/linux/arm-smccc.h:485:29: error: '__declare_arg_3' undeclared (first use in this function)
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:485:29: note: each undeclared identifier is reported only once for each function it appears in
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in definition of macro '__CONCAT'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/arm-smccc.h:485:17: note: in expansion of macro 'CONCATENATE'
485 | CONCATENATE(__declare_arg_, COUNT_ARGS(__VA_ARGS__)); \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:417:38: error: 'arg0' undeclared (first use in this function); did you mean 'r0'?
417 | #define __constraint_read_0 "r" (arg0)
| ^~~~
include/linux/arm-smccc.h:418:33: note: in expansion of macro '__constraint_read_0'
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:418:59: error: 'arg1' undeclared (first use in this function); did you mean 'r1'?
418 | #define __constraint_read_1 __constraint_read_0, "r" (arg1)
| ^~~~
include/linux/arm-smccc.h:419:33: note: in expansion of macro '__constraint_read_1'
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:419:59: error: 'arg2' undeclared (first use in this function); did you mean 'r2'?
419 | #define __constraint_read_2 __constraint_read_1, "r" (arg2)
| ^~~~
include/linux/arm-smccc.h:420:33: note: in expansion of macro '__constraint_read_2'
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~~~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:420:59: error: 'arg3' undeclared (first use in this function); did you mean 'r3'?
420 | #define __constraint_read_3 __constraint_read_2, "r" (arg3)
| ^~~~
include/linux/args.h:25:24: note: in expansion of macro '__constraint_read_3'
25 | #define __CONCAT(a, b) a ## b
| ^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
26 | #define CONCATENATE(a, b) __CONCAT(a, b)
| ^~~~~~~~
include/linux/arm-smccc.h:489:32: note: in expansion of macro 'CONCATENATE'
489 | : CONCATENATE(__constraint_read_, \
| ^~~~~~~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:492:21: error: '___res' undeclared (first use in this function)
492 | if (___res) \
| ^~~~~~
include/linux/arm-smccc.h:526:33: note: in expansion of macro '__arm_smccc_1_1'
526 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:563:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
563 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/char/hw_random/arm_smccc_trng.c:73:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
73 | arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND, bits, &res);
| ^~~~~~~~~~~~~~~~~~~~

Presumably caused by commits

93e9856955f8 ("kernel.h: split out COUNT_ARGS() and CONCATENATE() to args.h")
fceebffabbb6 ("arm64: smccc: replace custom COUNT_ARGS() & CONCATENATE() implementations")

I have used the mm tree from next-20230717 for today.

--
Cheers,
Stephen Rothwell

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