Messages in this thread | | | Date | Thu, 25 Aug 2022 21:15:48 +0800 | From | kernel test robot <> | Subject | [bvanassche:tracing 2/2] include/linux/compiler.h:246:47: error: ordered comparison of pointer with null pointer |
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tree: https://github.com/bvanassche/linux tracing head: e50691460d5ea5a49b903e0ea50276e942b6f34f commit: e50691460d5ea5a49b903e0ea50276e942b6f34f [2/2] tracing: Define is_signed_type() once config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220825/202208252159.T4WiCecR-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://github.com/bvanassche/linux/commit/e50691460d5ea5a49b903e0ea50276e942b6f34f git remote add bvanassche https://github.com/bvanassche/linux git fetch --no-tags bvanassche tracing git checkout e50691460d5ea5a49b903e0ea50276e942b6f34f # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/trace/define_trace.h:102, from drivers/gpu/drm/i915/gvt/trace.h:383, from drivers/gpu/drm/i915/gvt/trace_points.c:33: >> include/linux/compiler.h:246:47: error: ordered comparison of pointer with null pointer [-Werror=extra] 246 | #define is_signed_type(type) (((type)(-1)) <= (type)0) | ^~ include/trace/trace_events.h:244:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 244 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:42:1: note: in expansion of macro 'TRACE_EVENT' 42 | TRACE_EVENT(spt_alloc, | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:48:9: note: in expansion of macro 'TP_STRUCT__entry' 48 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:11:22: note: in expansion of macro 'is_signed_type' 11 | .is_signed = is_signed_type(_type), .filter_type = _filter_type }, | ^~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:20:33: note: in expansion of macro '__field_ext' 20 | #define __field(type, item) __field_ext(type, item, FILTER_OTHER) | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:50:17: note: in expansion of macro '__field' 50 | __field(void *, spt) | ^~~~~~~ >> include/linux/compiler.h:246:47: error: ordered comparison of pointer with null pointer [-Werror=extra] 246 | #define is_signed_type(type) (((type)(-1)) <= (type)0) | ^~ include/trace/trace_events.h:244:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 244 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:72:1: note: in expansion of macro 'TRACE_EVENT' 72 | TRACE_EVENT(spt_free, | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:77:9: note: in expansion of macro 'TP_STRUCT__entry' 77 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:11:22: note: in expansion of macro 'is_signed_type' 11 | .is_signed = is_signed_type(_type), .filter_type = _filter_type }, | ^~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:20:33: note: in expansion of macro '__field_ext' 20 | #define __field(type, item) __field_ext(type, item, FILTER_OTHER) | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:79:17: note: in expansion of macro '__field' 79 | __field(void *, spt) | ^~~~~~~ >> include/linux/compiler.h:246:47: error: ordered comparison of pointer with null pointer [-Werror=extra] 246 | #define is_signed_type(type) (((type)(-1)) <= (type)0) | ^~ include/trace/trace_events.h:244:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 244 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:228:1: note: in expansion of macro 'TRACE_EVENT' 228 | TRACE_EVENT(gvt_command, | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:236:9: note: in expansion of macro 'TP_STRUCT__entry' 236 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:11:22: note: in expansion of macro 'is_signed_type' 11 | .is_signed = is_signed_type(_type), .filter_type = _filter_type }, | ^~~~~~~~~~~~~~ include/trace/stages/stage4_event_fields.h:20:33: note: in expansion of macro '__field_ext' 20 | #define __field(type, item) __field_ext(type, item, FILTER_OTHER) | ^~~~~~~~~~~ include/trace/../../drivers/gpu/drm/i915/gvt/trace.h:243:17: note: in expansion of macro '__field' 243 | __field(void*, workload) | ^~~~~~~ cc1: all warnings being treated as errors
vim +246 include/linux/compiler.h
241 242 /* 243 * Whether 'type' is a signed type or an unsigned type. Supports scalar types, 244 * bool and also pointer types. 245 */ > 246 #define is_signed_type(type) (((type)(-1)) <= (type)0) 247
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