From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2] [RFC] trace: Add kprobe on tracepoint
Date: Tue, 10 Aug 2021 22:51:02 +0800 [thread overview]
Message-ID: <202108102239.WJbFvtvP-lkp@intel.com> (raw)
In-Reply-To: <20210810112108.1663174-1-tz.stoyanov@gmail.com>
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Hi "Tzvetomir,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on v5.14-rc5]
[also build test WARNING on next-20210810]
[cannot apply to tip/perf/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Tzvetomir-Stoyanov-VMware/trace-Add-kprobe-on-tracepoint/20210810-192225
base: 36a21d51725af2ce0700c6ebcb6b9594aac658a6
config: powerpc-powernv_defconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/e3bec14eb58da9408eba8ccc55c9f5cf4e1ff114
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Tzvetomir-Stoyanov-VMware/trace-Add-kprobe-on-tracepoint/20210810-192225
git checkout e3bec14eb58da9408eba8ccc55c9f5cf4e1ff114
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/hw_irq.h:12,
from arch/powerpc/include/asm/irqflags.h:12,
from include/linux/irqflags.h:16,
from include/linux/rcupdate.h:26,
from include/linux/rbtree.h:22,
from include/linux/key.h:15,
from include/linux/security.h:27,
from kernel/trace/trace_kprobe.c:10:
kernel/trace/trace_kprobe.c: In function 'process_fetch_insn':
>> arch/powerpc/include/asm/ptrace.h:248:43: warning: dereferencing 'void *' pointer
248 | #define kernel_stack_pointer(regs) ((regs)->gpr[1])
| ^~
kernel/trace/trace_kprobe.c:1340:9: note: in expansion of macro 'kernel_stack_pointer'
1340 | val = kernel_stack_pointer(regs);
| ^~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/ptrace.h:248:43: error: request for member 'gpr' in something not a structure or union
248 | #define kernel_stack_pointer(regs) ((regs)->gpr[1])
| ^~
kernel/trace/trace_kprobe.c:1340:9: note: in expansion of macro 'kernel_stack_pointer'
1340 | val = kernel_stack_pointer(regs);
| ^~~~~~~~~~~~~~~~~~~~
vim +248 arch/powerpc/include/asm/ptrace.h
4e0e45b07d79025 Nicholas Piggin 2020-05-07 247
d72500f992849d3 Nicholas Piggin 2021-05-20 @248 #define kernel_stack_pointer(regs) ((regs)->gpr[1])
d72500f992849d3 Nicholas Piggin 2021-05-20 249 static inline int is_syscall_success(struct pt_regs *regs)
d72500f992849d3 Nicholas Piggin 2021-05-20 250 {
d72500f992849d3 Nicholas Piggin 2021-05-20 251 if (trap_is_scv(regs))
d72500f992849d3 Nicholas Piggin 2021-05-20 252 return !IS_ERR_VALUE((unsigned long)regs->gpr[3]);
d72500f992849d3 Nicholas Piggin 2021-05-20 253 else
d72500f992849d3 Nicholas Piggin 2021-05-20 254 return !(regs->ccr & 0x10000000);
d72500f992849d3 Nicholas Piggin 2021-05-20 255 }
d72500f992849d3 Nicholas Piggin 2021-05-20 256
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2021-08-10 14:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-10 11:21 [PATCH v2] [RFC] trace: Add kprobe on tracepoint Tzvetomir Stoyanov (VMware)
2021-08-10 14:51 ` kernel test robot [this message]
2021-08-10 14:54 ` kernel test robot
2021-08-10 15:05 ` kernel test robot
2021-08-10 15:59 ` kernel test robot
2021-08-10 15:59 ` [RFC PATCH] trace: trace_event_probe_cleanup() can be static kernel test robot
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