From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:mirror-chromeos-5.10-arcvm 4/4] include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1'
Date: Fri, 21 Feb 2025 13:06:48 +0800 [thread overview]
Message-ID: <202502211252.CLq1ssTO-lkp@intel.com> (raw)
Hi David,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common mirror-chromeos-5.10-arcvm
head: 52501f2d846bff0d0b00922042836a38736c8110
commit: adc2b4c6af434db264d6e58e740fca5ae876df86 [4/4] CHROMIUM: BACKPORT: FROMLIST: cpufreq: add kvm-cpufreq driver
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20250221/202502211252.CLq1ssTO-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250221/202502211252.CLq1ssTO-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/202502211252.CLq1ssTO-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/cpufreq/kvm-cpufreq.c:7:
drivers/cpufreq/kvm-cpufreq.c: In function 'kvm_scale_freq_tick':
include/linux/arm-smccc.h:429:49: error: expected string literal before 'SMCCC_HVC_INST'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:49: error: expected string literal before 'SMCCC_SMC_INST'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:23:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
23 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CUR_CPUFREQ_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c: In function 'remote_get_freqtbl_num_entries':
include/linux/arm-smccc.h:429:49: error: expected string literal before 'SMCCC_HVC_INST'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:49: error: expected string literal before 'SMCCC_SMC_INST'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:50:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
50 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c: In function 'remote_populate_freqtbl':
include/linux/arm-smccc.h:429:49: error: expected string literal before 'SMCCC_HVC_INST'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:49: error: expected string literal before 'SMCCC_SMC_INST'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:78:17: note: in expansion of macro 'arm_smccc_1_1_invoke'
78 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_GET_CPUFREQ_TBL_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c: In function 'kvm_cpufreq_setutil_hyp':
include/linux/arm-smccc.h:429:49: error: expected string literal before 'SMCCC_HVC_INST'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:429:33: note: in expansion of macro '__arm_smccc_1_1'
429 | #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:463:25: note: in expansion of macro 'arm_smccc_1_1_hvc'
463 | arm_smccc_1_1_hvc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:49: error: expected string literal before 'SMCCC_SMC_INST'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:392:30: note: in definition of macro '__arm_smccc_1_1'
392 | asm volatile(inst "\n" : \
| ^~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:332:29: warning: unused variable 'arg1' [-Wunused-variable]
332 | register typeof(a1) arg1 asm("r1") = __a1
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:331:32: warning: unused variable 'arg0' [-Wunused-variable]
331 | register unsigned long arg0 asm("r0") = (u32)a0; \
| ^~~~
include/linux/arm-smccc.h:372:37: note: in expansion of macro '__declare_arg_1'
372 | #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:373:37: note: in expansion of macro '___declare_args'
373 | #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:391:17: note: in expansion of macro '__declare_args'
391 | __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
| ^~~~~~~~~~~~~~
include/linux/arm-smccc.h:413:33: note: in expansion of macro '__arm_smccc_1_1'
413 | #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:466:25: note: in expansion of macro 'arm_smccc_1_1_smc'
466 | arm_smccc_1_1_smc(__VA_ARGS__); \
| ^~~~~~~~~~~~~~~~~
drivers/cpufreq/kvm-cpufreq.c:108:9: note: in expansion of macro 'arm_smccc_1_1_invoke'
108 | arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_UTIL_HINT_FUNC_ID,
| ^~~~~~~~~~~~~~~~~~~~
vim +/arg1 +332 include/linux/arm-smccc.h
f2d3b2e8759a58 Marc Zyngier 2018-02-06 323
f2d3b2e8759a58 Marc Zyngier 2018-02-06 324 #define __declare_arg_0(a0, res) \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 325 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 326 register unsigned long arg0 asm("r0") = (u32)a0
f2d3b2e8759a58 Marc Zyngier 2018-02-06 327
f2d3b2e8759a58 Marc Zyngier 2018-02-06 328 #define __declare_arg_1(a0, a1, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 329 typeof(a1) __a1 = a1; \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 330 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 @331 register unsigned long arg0 asm("r0") = (u32)a0; \
0794a974d74dc7 Andrew Scull 2020-09-15 @332 register typeof(a1) arg1 asm("r1") = __a1
f2d3b2e8759a58 Marc Zyngier 2018-02-06 333
:::::: The code at line 332 was first introduced by commit
:::::: 0794a974d74dc777a212a3c58dd236f507360348 smccc: Use separate variables for args and results
:::::: TO: Andrew Scull <ascull@google.com>
:::::: CC: Marc Zyngier <maz@kernel.org>
--
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