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Message-ID: <202102061431.aH9WYp7m-lkp@intel.com>
Date: Sat, 6 Feb 2021 14:16:18 +0800
From: kernel test robot <lkp@...el.com>
To: Steven Rostedt <rostedt@...dmis.org>,
LKML <linux-kernel@...r.kernel.org>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
Ingo Molnar <mingo@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Peter Zijlstra <peterz@...radead.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: Re: [PATCH v2] tracepoints: Do not punish non static call users
Hi Steven,
I love your patch! Yet something to improve:
[auto build test ERROR on tip/perf/core]
[also build test ERROR on linux/master linus/master v5.11-rc6 next-20210125]
[cannot apply to hnaz-linux-mm/master]
[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/Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210206-112501
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 32451614da2a9cf4296f90d3606ac77814fb519d
config: powerpc-randconfig-r002-20210206 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/0day-ci/linux/commit/3fc399c60e990487bf5d0cd91406052c0db853df
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210206-112501
git checkout 3fc399c60e990487bf5d0cd91406052c0db853df
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
In file included from arch/powerpc/kernel/ptrace/ptrace.c:29:
>> include/trace/events/syscalls.h:18:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
include/trace/events/syscalls.h:18:1: note: variable '__data' is declared here
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/kernel/ptrace/ptrace.c:29:
>> include/trace/events/syscalls.h:18:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
include/trace/events/syscalls.h:18:1: note: variable '__data' is declared here
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE'
__DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/kernel/ptrace/ptrace.c:29:
include/trace/events/syscalls.h:44:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
include/trace/events/syscalls.h:44:1: note: variable '__data' is declared here
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/kernel/ptrace/ptrace.c:29:
include/trace/events/syscalls.h:44:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
include/trace/events/syscalls.h:44:1: note: variable '__data' is declared here
include/linux/tracepoint.h:553:2: note: expanded from macro 'TRACE_EVENT_FN'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
--
In file included from arch/powerpc/mm/nohash/mmu_context.c:51:
In file included from arch/powerpc/mm/mmu_decl.h:20:
>> arch/powerpc/include/asm/trace.h:29:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_entry,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:29:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/mmu_context.c:51:
In file included from arch/powerpc/mm/mmu_decl.h:20:
>> arch/powerpc/include/asm/trace.h:29:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_entry,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:29:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE'
__DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/mmu_context.c:51:
In file included from arch/powerpc/mm/mmu_decl.h:20:
arch/powerpc/include/asm/trace.h:36:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_exit,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:36:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/mmu_context.c:51:
In file included from arch/powerpc/mm/mmu_decl.h:20:
arch/powerpc/include/asm/trace.h:36:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_exit,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:36:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
--
In file included from arch/powerpc/mm/nohash/tlb.c:45:
In file included from arch/powerpc/mm/mmu_decl.h:20:
>> arch/powerpc/include/asm/trace.h:29:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_entry,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:29:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/tlb.c:45:
In file included from arch/powerpc/mm/mmu_decl.h:20:
>> arch/powerpc/include/asm/trace.h:29:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_entry,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:29:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE'
__DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/tlb.c:45:
In file included from arch/powerpc/mm/mmu_decl.h:20:
arch/powerpc/include/asm/trace.h:36:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_exit,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:36:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^
include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE'
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^
include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE'
__DO_TRACE(name, \
^
include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE'
void __maybe_unused *__data; \
^
In file included from arch/powerpc/mm/nohash/tlb.c:45:
In file included from arch/powerpc/mm/mmu_decl.h:20:
arch/powerpc/include/asm/trace.h:36:1: error: variable '__data' is uninitialized when used here [-Werror,-Wuninitialized]
DEFINE_EVENT(ppc64_interrupt_class, irq_exit,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE'
PARAMS(__data, args))
^~~~~~
include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS'
#define PARAMS(args...) args
^~~~
note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE'
__DO_TRACE_CALL(name, TP_ARGS(args)); \
^~~~
include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS'
#define TP_ARGS(args...) args
^~~~
include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL'
#define __DO_TRACE_CALL(name, args) __traceiter_##name(args)
^~~~
arch/powerpc/include/asm/trace.h:36:1: note: variable '__data' is declared here
include/linux/tracepoint.h:539:2: note: expanded from macro 'DEFINE_EVENT'
..
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for NETDEVICES
Depends on NET
Selected by
- AKEBONO && PPC_47x
WARNING: unmet direct dependencies detected for ETHERNET
Depends on NETDEVICES && NET
Selected by
- AKEBONO && PPC_47x
WARNING: unmet direct dependencies detected for GRO_CELLS
Depends on NET
Selected by
- MACSEC && NETDEVICES && NET_CORE
- RMNET && NETDEVICES && ETHERNET && NET_VENDOR_QUALCOMM
WARNING: unmet direct dependencies detected for FAILOVER
Depends on NET
Selected by
- NET_FAILOVER && NETDEVICES
WARNING: unmet direct dependencies detected for PAGE_POOL
Depends on NET
Selected by
- BNXT && NETDEVICES && ETHERNET && NET_VENDOR_BROADCOM && PCI
- STMMAC_ETH && NETDEVICES && ETHERNET && NET_VENDOR_STMICRO && HAS_IOMEM && HAS_DMA
WARNING: unmet direct dependencies detected for NET_DEVLINK
Depends on NET
Selected by
- BNXT && NETDEVICES && ETHERNET && NET_VENDOR_BROADCOM && PCI
- MLX5_CORE && NETDEVICES && ETHERNET && NET_VENDOR_MELLANOX && PCI && (VXLAN || !VXLAN && (MLXFW || !MLXFW && (PTP_1588_CLOCK || !PTP_1588_CLOCK && (PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE
- MLXSW_CORE && NETDEVICES && ETHERNET && NET_VENDOR_MELLANOX
- MLXFW && NETDEVICES && ETHERNET && NET_VENDOR_MELLANOX
vim +/__data +18 include/trace/events/syscalls.h
1c569f0264ea62 Josh Stone 2009-08-24 17
1c569f0264ea62 Josh Stone 2009-08-24 @18 TRACE_EVENT_FN(sys_enter,
1c569f0264ea62 Josh Stone 2009-08-24 19
1c569f0264ea62 Josh Stone 2009-08-24 20 TP_PROTO(struct pt_regs *regs, long id),
1c569f0264ea62 Josh Stone 2009-08-24 21
1c569f0264ea62 Josh Stone 2009-08-24 22 TP_ARGS(regs, id),
1c569f0264ea62 Josh Stone 2009-08-24 23
1c569f0264ea62 Josh Stone 2009-08-24 24 TP_STRUCT__entry(
1c569f0264ea62 Josh Stone 2009-08-24 25 __field( long, id )
1c569f0264ea62 Josh Stone 2009-08-24 26 __array( unsigned long, args, 6 )
1c569f0264ea62 Josh Stone 2009-08-24 27 ),
1c569f0264ea62 Josh Stone 2009-08-24 28
1c569f0264ea62 Josh Stone 2009-08-24 29 TP_fast_assign(
1c569f0264ea62 Josh Stone 2009-08-24 30 __entry->id = id;
b35f549df1d752 Steven Rostedt (Red Hat 2016-11-07 31) syscall_get_arguments(current, regs, __entry->args);
1c569f0264ea62 Josh Stone 2009-08-24 32 ),
1c569f0264ea62 Josh Stone 2009-08-24 33
1c569f0264ea62 Josh Stone 2009-08-24 34 TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
1c569f0264ea62 Josh Stone 2009-08-24 35 __entry->id,
1c569f0264ea62 Josh Stone 2009-08-24 36 __entry->args[0], __entry->args[1], __entry->args[2],
1c569f0264ea62 Josh Stone 2009-08-24 37 __entry->args[3], __entry->args[4], __entry->args[5]),
1c569f0264ea62 Josh Stone 2009-08-24 38
1c569f0264ea62 Josh Stone 2009-08-24 39 syscall_regfunc, syscall_unregfunc
1c569f0264ea62 Josh Stone 2009-08-24 40 );
1c569f0264ea62 Josh Stone 2009-08-24 41
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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