From: kernel test robot <lkp@intel.com>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
"Steven Rostedt (Google)" <rostedt@goodmis.org>
Subject: [tip:perf/core 18/20] arch/x86/include/asm/unwind_user.h:16:17: error: 'struct pt_regs' has no member named 'flags'
Date: Wed, 29 Oct 2025 23:22:46 +0800 [thread overview]
Message-ID: <202510292357.orDRPo4p-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
head: c69993ecdd4dfde2b7da08b022052a33b203da07
commit: 49cf34c0815f93fb2ea3ab5cfbac1124bd9b45d0 [18/20] unwind_user/x86: Enable frame pointer unwinding on x86
config: um-randconfig-r071-20251029 (https://download.01.org/0day-ci/archive/20251029/202510292357.orDRPo4p-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251029/202510292357.orDRPo4p-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/202510292357.orDRPo4p-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/unwind_user.h:6,
from include/linux/unwind_deferred.h:6,
from kernel/fork.c:108:
arch/x86/include/asm/unwind_user.h: In function 'unwind_user_word_size':
>> arch/x86/include/asm/unwind_user.h:16:17: error: 'struct pt_regs' has no member named 'flags'
16 | if (regs->flags & X86_VM_MASK)
| ^~
>> arch/x86/include/asm/unwind_user.h:16:27: error: 'X86_VM_MASK' undeclared (first use in this function)
16 | if (regs->flags & X86_VM_MASK)
| ^~~~~~~~~~~
arch/x86/include/asm/unwind_user.h:16:27: note: each undeclared identifier is reported only once for each function it appears in
vim +16 arch/x86/include/asm/unwind_user.h
6
7 #define ARCH_INIT_USER_FP_FRAME(ws) \
8 .cfa_off = 2*(ws), \
9 .ra_off = -1*(ws), \
10 .fp_off = -2*(ws), \
11 .use_fp = true,
12
13 static inline int unwind_user_word_size(struct pt_regs *regs)
14 {
15 /* We can't unwind VM86 stacks */
> 16 if (regs->flags & X86_VM_MASK)
17 return 0;
18 #ifdef CONFIG_X86_64
19 if (!user_64bit_mode(regs))
20 return sizeof(int);
21 #endif
22 return sizeof(long);
23 }
24
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-10-29 15:23 UTC|newest]
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