[openeuler:OLK-5.10 16089/30000] arch/arm64/include/asm/stack_pointer.h:8:51: error: register 'sp' unsuitable for global register variables on this target - Kernel

30 Sep 2024


      tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   0988d5e5eb47d35a2babb4c0d6b6b81aa0fccbd3
commit: 78568d28ad62c586e32e3989de5354fcb014c09f [16089/30000] scripts: Fix issue of module signing with openssl 3.x
config: arm64-randconfig-002-20240930 (https://download.01.org/0day-ci/archive/20240930/202409300131.UCq7Om7a-lkp@i...)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240930/202409300131.UCq7Om7a-lkp@i...)
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/202409300131.UCq7Om7a-lkp@intel.com/
All errors (new ones prefixed by >>):
WARNING: unmet direct dependencies detected for ARM64_ERRATUM_845719
   Depends on [n]: AARCH32_EL0 [=n]
   Selected by [y]:
   - ARCH_MXC [=y] && COMPAT [=y]
   arch/arm64/Makefile:44: Detected assembler with broken .inst; disassembly will be unreliable
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:17:
   In file included from include/linux/lockdep.h:14:
   In file included from include/linux/smp.h:102:
   In file included from include/linux/preempt.h:78:
   In file included from arch/arm64/include/asm/preempt.h:5:
   In file included from include/linux/thread_info.h:14:
   In file included from include/linux/thread_bits.h:32:
   In file included from arch/arm64/include/asm/thread_info.h:18:
...
...
arch/arm64/include/asm/stack_pointer.h:8:51: error: register 'sp' unsuitable for global register variables on this target
register unsigned long current_stack_pointer asm ("sp");
   ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r0' in asm
arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_VERSION, &res);
   ^
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:369:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r0 asm("r0");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r1' in asm
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:370:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r1 asm("r1");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r2' in asm
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:371:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r2 asm("r2");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r3' in asm
include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:372:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r3 asm("r3");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r0' in asm
include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:373:3: note: expanded from macro '__arm_smccc_1_1'
   __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__);                 ^
   note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/arm-smccc.h:354:37: note: expanded from macro '___declare_args'
   #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
   ^
   <scratch space>:110:1: note: expanded from here
   __declare_arg_0
   ^
   include/linux/arm-smccc.h:308:34: note: expanded from macro '__declare_arg_0'
   register unsigned long arg0 asm("r0") = (u32)a0
   ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r0' in asm
include/linux/arm-smccc.h:449:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_smc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:396:32: note: expanded from macro 'arm_smccc_1_1_smc'
   #define arm_smccc_1_1_smc(...)  __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:369:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r0 asm("r0");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r1' in asm
   include/linux/arm-smccc.h:449:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_smc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:396:32: note: expanded from macro 'arm_smccc_1_1_smc'
   #define arm_smccc_1_1_smc(...)  __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:370:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r1 asm("r1");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r2' in asm
   include/linux/arm-smccc.h:449:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_smc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:396:32: note: expanded from macro 'arm_smccc_1_1_smc'
   #define arm_smccc_1_1_smc(...)  __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:371:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r2 asm("r2");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r3' in asm
include/linux/arm-smccc.h:449:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_smc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:396:32: note: expanded from macro 'arm_smccc_1_1_smc'
   #define arm_smccc_1_1_smc(...)  __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:372:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r3 asm("r3");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r0' in asm
include/linux/arm-smccc.h:449:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_smc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:396:32: note: expanded from macro 'arm_smccc_1_1_smc'
   #define arm_smccc_1_1_smc(...)  __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:373:3: note: expanded from macro '__arm_smccc_1_1'
   __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__);                 ^
   note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/arm-smccc.h:354:37: note: expanded from macro '___declare_args'
   #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
   ^
   <scratch space>:112:1: note: expanded from here
   __declare_arg_0
   ^
   include/linux/arm-smccc.h:308:34: note: expanded from macro '__declare_arg_0'
   register unsigned long arg0 asm("r0") = (u32)a0
   ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
...
...
arch/arm64/include/asm/archrandom.h:20:2: error: unknown register name 'r0' in asm
include/linux/arm-smccc.h:452:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   __fail_smccc_1_1(__VA_ARGS__);                                          ^
   include/linux/arm-smccc.h:421:3: note: expanded from macro '__fail_smccc_1_1'
   __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__);                 ^
   include/linux/arm-smccc.h:355:37: note: expanded from macro '__declare_args'
   #define __declare_args(count, ...)  ___declare_args(count, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:354:37: note: expanded from macro '___declare_args'
   #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
   ^
   <scratch space>:114:1: note: expanded from here
   __declare_arg_0
   ^
   include/linux/arm-smccc.h:308:34: note: expanded from macro '__declare_arg_0'
   register unsigned long arg0 asm("r0") = (u32)a0
   ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:66:3: error: unknown register name 'r0' in asm
   arm_smccc_1_1_invoke(ARM_SMCCC_TRNG_RND64, 64, &res);
   ^
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:369:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r0 asm("r0");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:66:3: error: unknown register name 'r1' in asm
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:370:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r1 asm("r1");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:66:3: error: unknown register name 'r2' in asm
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
   arm_smccc_1_1_hvc(__VA_ARGS__);                                         ^
   include/linux/arm-smccc.h:412:32: note: expanded from macro 'arm_smccc_1_1_hvc'
   #define arm_smccc_1_1_hvc(...)  __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
   ^
   include/linux/arm-smccc.h:371:33: note: expanded from macro '__arm_smccc_1_1'
   register unsigned long r2 asm("r2");                                                                  ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:21:
   In file included from include/linux/sysfs.h:17:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/mutex.h:19:
   In file included from arch/arm64/include/asm/processor.h:38:
   In file included from arch/arm64/include/asm/pointer_auth.h:6:
   In file included from include/linux/random.h:104:
   arch/arm64/include/asm/archrandom.h:66:3: error: unknown register name 'r3' in asm
   include/linux/arm-smccc.h:446:4: note: expanded from macro 'arm_smccc_1_1_invoke'
Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARM64_ERRATUM_845719
   Depends on [n]: AARCH32_EL0 [=n]
   Selected by [y]:
   - ARCH_MXC [=y] && COMPAT [=y]
vim +/sp +8 arch/arm64/include/asm/stack_pointer.h
a9ea0017ebe888 Mark Rutland 2016-11-03  4  
a9ea0017ebe888 Mark Rutland 2016-11-03  5  /*
a9ea0017ebe888 Mark Rutland 2016-11-03  6   * how to get the current stack pointer from C
a9ea0017ebe888 Mark Rutland 2016-11-03  7   */
a9ea0017ebe888 Mark Rutland 2016-11-03 @8  register unsigned long current_stack_pointer asm ("sp");
a9ea0017ebe888 Mark Rutland 2016-11-03  9
:::::: The code at line 8 was first introduced by commit
:::::: a9ea0017ebe8889dfa136cac2aa7ae0ee6915e1f arm64: factor out current_stack_pointer
:::::: TO: Mark Rutland mark.rutland@arm.com
:::::: CC: Catalin Marinas catalin.marinas@arm.com
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