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@xxxxxxxxx> 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@xxxxxxxxxxxx
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