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Message-ID: <202506181535.fUTgXhab-lkp@intel.com>
Date: Wed, 18 Jun 2025 13:15:29 +0800
From: kernel test robot <lkp@...el.com>
To: Heiko Carstens <hca@...ux.ibm.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
x86@...nel.org, Ingo Molnar <mingo@...nel.org>
Subject: [tip:core/bugs 11/16] include/linux/compiler_types.h:497:20: error:
impossible constraint in 'asm'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/bugs
head: d298bb98d65f964288bb87feef014da1baafedda
commit: 45c79ca947c936085c94b716be92eaf9a1bdc8bb [11/16] bugs/s390: Use 'cond_str' in __EMIT_BUG()
config: s390-randconfig-r072-20250618 (https://download.01.org/0day-ci/archive/20250618/202506181535.fUTgXhab-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250618/202506181535.fUTgXhab-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506181535.fUTgXhab-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from <command-line>:
crypto/api.c: In function '__crypto_alloc_tfmgfp':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
crypto/api.c:389:3: note: in expansion of macro 'BUG'
BUG();
^~~
>> include/linux/compiler_types.h:497:20: error: impossible constraint in 'asm'
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
crypto/api.c:389:3: note: in expansion of macro 'BUG'
BUG();
^~~
crypto/api.c: In function 'crypto_schedule_test':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/api.c:176:2: note: in expansion of macro 'WARN_ON_ONCE'
WARN_ON_ONCE(err != NOTIFY_STOP);
^~~~~~~~~~~~
crypto/api.c: In function 'crypto_larval_destroy':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/api.c:97:2: note: in expansion of macro 'BUG_ON'
BUG_ON(!crypto_is_larval(alg));
^~~~~~
--
In file included from <command-line>:
crypto/algapi.c: In function 'crypto_grab_spawn':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/algapi.c:729:6: note: in expansion of macro 'WARN_ON_ONCE'
if (WARN_ON_ONCE(inst == NULL))
^~~~~~~~~~~~
>> include/linux/compiler_types.h:497:20: error: impossible constraint in 'asm'
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/algapi.c:729:6: note: in expansion of macro 'WARN_ON_ONCE'
if (WARN_ON_ONCE(inst == NULL))
^~~~~~~~~~~~
crypto/algapi.c: In function 'crypto_remove_instance.isra.13':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/algapi.c:154:2: note: in expansion of macro 'BUG_ON'
BUG_ON(!list_empty(&inst->alg.cra_users));
^~~~~~
crypto/algapi.c: In function 'crypto_remove_spawns':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/algapi.c:203:4: note: in expansion of macro 'BUG_ON'
BUG_ON(&inst->alg == alg);
^~~~~~
crypto/algapi.c: In function 'crypto_unregister_alg':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:113:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\
^~~~~~~~~~~~
include/asm-generic/bug.h:141:3: note: in expansion of macro '__WARN_printf'
__WARN_printf(TAINT_WARN, format); \
^~~~~~~~~~~~~
crypto/algapi.c:498:6: note: in expansion of macro 'WARN'
if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name))
^~~~
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:109:19: note: in expansion of macro '__WARN_FLAGS'
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
^~~~~~~~~~~~
arch/s390/include/asm/bug.h:58:4: note: in expansion of macro '__WARN'
__WARN(); \
^~~~~~
crypto/algapi.c:501:2: note: in expansion of macro 'WARN_ON'
WARN_ON(!alg->cra_destroy && refcount_read(&alg->cra_refcnt) != 1);
^~~~~~~
crypto/algapi.c: In function 'crypto_unregister_template':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/algapi.c:588:2: note: in expansion of macro 'BUG_ON'
BUG_ON(list_empty(&tmpl->list));
^~~~~~
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/algapi.c:595:3: note: in expansion of macro 'BUG_ON'
BUG_ON(err);
^~~~~~
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:43:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG("", 0); \
^~~~~~~~~~
include/asm-generic/bug.h:77:57: note: in expansion of macro 'BUG'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~
crypto/algapi.c:601:3: note: in expansion of macro 'BUG_ON'
BUG_ON(refcount_read(&inst->alg.cra_refcnt) != 1);
^~~~~~
crypto/algapi.c: In function 'crypto_register_alg':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/algapi.c:442:7: note: in expansion of macro 'WARN_ON_ONCE'
!WARN_ON_ONCE(alg->cra_destroy)) {
^~~~~~~~~~~~
--
In file included from <command-line>:
crypto/scatterwalk.c: In function 'skcipher_walk_first':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/scatterwalk.c:275:6: note: in expansion of macro 'WARN_ON_ONCE'
if (WARN_ON_ONCE(in_hardirq()))
^~~~~~~~~~~~
>> include/linux/compiler_types.h:497:20: error: impossible constraint in 'asm'
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:119:3: note: in expansion of macro '__WARN_FLAGS'
__WARN_FLAGS("["#condition"] ", \
^~~~~~~~~~~~
crypto/scatterwalk.c:275:6: note: in expansion of macro 'WARN_ON_ONCE'
if (WARN_ON_ONCE(in_hardirq()))
^~~~~~~~~~~~
--
In file included from <command-line>:
crypto/aead.c: In function 'aead_register_instance':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:109:19: note: in expansion of macro '__WARN_FLAGS'
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
^~~~~~~~~~~~
arch/s390/include/asm/bug.h:58:4: note: in expansion of macro '__WARN'
__WARN(); \
^~~~~~
crypto/aead.c:284:6: note: in expansion of macro 'WARN_ON'
if (WARN_ON(!inst->free))
^~~~~~~
>> include/linux/compiler_types.h:497:20: error: impossible constraint in 'asm'
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:109:19: note: in expansion of macro '__WARN_FLAGS'
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
^~~~~~~~~~~~
arch/s390/include/asm/bug.h:58:4: note: in expansion of macro '__WARN'
__WARN(); \
^~~~~~
crypto/aead.c:284:6: note: in expansion of macro 'WARN_ON'
if (WARN_ON(!inst->free))
^~~~~~~
--
In file included from <command-line>:
crypto/lskcipher.c: In function 'lskcipher_register_instance':
>> include/linux/compiler_types.h:497:20: warning: asm operand 0 probably doesn't match constraints
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:109:19: note: in expansion of macro '__WARN_FLAGS'
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
^~~~~~~~~~~~
arch/s390/include/asm/bug.h:58:4: note: in expansion of macro '__WARN'
__WARN(); \
^~~~~~
crypto/lskcipher.c:415:6: note: in expansion of macro 'WARN_ON'
if (WARN_ON(!inst->free))
^~~~~~~
>> include/linux/compiler_types.h:497:20: error: impossible constraint in 'asm'
#define asm_inline asm __inline
^~~
arch/s390/include/asm/bug.h:12:2: note: in expansion of macro 'asm_inline'
asm_inline volatile( \
^~~~~~~~~~
arch/s390/include/asm/bug.h:48:2: note: in expansion of macro '__EMIT_BUG'
__EMIT_BUG(cond_str, BUGFLAG_WARNING|(flags)); \
^~~~~~~~~~
include/asm-generic/bug.h:109:19: note: in expansion of macro '__WARN_FLAGS'
#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
^~~~~~~~~~~~
arch/s390/include/asm/bug.h:58:4: note: in expansion of macro '__WARN'
__WARN(); \
^~~~~~
crypto/lskcipher.c:415:6: note: in expansion of macro 'WARN_ON'
if (WARN_ON(!inst->free))
^~~~~~~
..
vim +/asm +497 include/linux/compiler_types.h
dbaaabd60e1662 Linus Torvalds 2024-04-08 495
eb111869301e15 Rasmus Villemoes 2019-09-13 496 #ifdef CONFIG_CC_HAS_ASM_INLINE
eb111869301e15 Rasmus Villemoes 2019-09-13 @497 #define asm_inline asm __inline
eb111869301e15 Rasmus Villemoes 2019-09-13 498 #else
eb111869301e15 Rasmus Villemoes 2019-09-13 499 #define asm_inline asm
eb111869301e15 Rasmus Villemoes 2019-09-13 500 #endif
eb111869301e15 Rasmus Villemoes 2019-09-13 501
:::::: The code at line 497 was first introduced by commit
:::::: eb111869301e15b737315a46c913ae82bd19eb9d compiler-types.h: add asm_inline definition
:::::: TO: Rasmus Villemoes <linux@...musvillemoes.dk>
:::::: CC: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
--
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https://github.com/intel/lkp-tests/wiki
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