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McKenney" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [paulmck-rcu:dev.2026.09.03a 43/55] drivers/usb/mtu3/./mtu3_trace.h:239:27: error: cannot take the address of an rvalue of type 'dma_addr_t' (aka 'unsigned long long') Message-ID: <202609101926.cc5w6bhk-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2026.09.03a head: 6c5c244f4b239bc4d284e58a2f79a143648557cb commit: afda2321e6e93a5bcc28bfb4717fbc3a1768446c [43/55] EXP drivers/usb/mtu3: Work around mtu3_log_ep double-indirection issue config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20260910/202609101926.cc5w6bhk-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project c1872e7fd3307679a2da53f9d83de0ccf234b4ad) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609101926.cc5w6bhk-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609101926.cc5w6bhk-lkp@intel.com/ Note: the paulmck-rcu/dev.2026.09.03a HEAD 6c5c244f4b239bc4d284e58a2f79a143648557cb builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/mtu3_trace.h:279: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:489: drivers/usb/mtu3/./mtu3_trace.h:239:41: error: member reference type 'struct mtu3_gpd_ring' is not a pointer; did you mean to use '.'? 239 | __entry->gpd_ring_dma = &mep->gpd_ring->dma; | ~~~~~~~~~~~~~^~ | . include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^~~~ include/trace/trace_events.h:456:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 456 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/linux/tracepoint.h:161:25: note: expanded from macro 'PARAMS' 161 | #define PARAMS(args...) args | ^~~~ include/trace/trace_events.h:448:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 448 | { assign; } \ | ^~~~~~ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/mtu3_trace.h:279: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:489: >> drivers/usb/mtu3/./mtu3_trace.h:239:27: error: cannot take the address of an rvalue of type 'dma_addr_t' (aka 'unsigned long long') 239 | __entry->gpd_ring_dma = &mep->gpd_ring->dma; | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^~~~ include/trace/trace_events.h:456:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 456 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/linux/tracepoint.h:161:25: note: expanded from macro 'PARAMS' 161 | #define PARAMS(args...) args | ^~~~ include/trace/trace_events.h:448:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 448 | { assign; } \ | ^~~~~~ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/mtu3_trace.h:279: In file included from include/trace/define_trace.h:133: In file included from include/trace/perf.h:110: drivers/usb/mtu3/./mtu3_trace.h:239:41: error: member reference type 'struct mtu3_gpd_ring' is not a pointer; did you mean to use '.'? 239 | __entry->gpd_ring_dma = &mep->gpd_ring->dma; | ~~~~~~~~~~~~~^~ | . include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^~~~ include/trace/perf.h:67:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/linux/tracepoint.h:161:25: note: expanded from macro 'PARAMS' 161 | #define PARAMS(args...) args | ^~~~ include/trace/perf.h:51:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/mtu3_trace.h:279: In file included from include/trace/define_trace.h:133: In file included from include/trace/perf.h:110: >> drivers/usb/mtu3/./mtu3_trace.h:239:27: error: cannot take the address of an rvalue of type 'dma_addr_t' (aka 'unsigned long long') 239 | __entry->gpd_ring_dma = &mep->gpd_ring->dma; | ^~~~~~~~~~~~~~~~~~~ include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^~~~ include/trace/perf.h:67:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/linux/tracepoint.h:161:25: note: expanded from macro 'PARAMS' 161 | #define PARAMS(args...) args | ^~~~ include/trace/perf.h:51:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ 4 errors generated. vim +239 drivers/usb/mtu3/./mtu3_trace.h 213 214 DECLARE_EVENT_CLASS(mtu3_log_ep, 215 TP_PROTO(struct mtu3_ep *mep), 216 TP_ARGS(mep), 217 TP_STRUCT__entry( 218 __string(name, mep->name) 219 __field(unsigned int, type) 220 __field(unsigned int, slot) 221 __field(unsigned int, maxp) 222 __field(unsigned int, mult) 223 __field(unsigned int, maxburst) 224 __field(unsigned int, flags) 225 __field(unsigned int, direction) 226 __field(struct mtu3_gpd_ring *, gpd_ring) 227 __field(dma_addr_t *, gpd_ring_dma) 228 ), 229 TP_fast_assign( 230 __assign_str(name); 231 __entry->type = mep->type; 232 __entry->slot = mep->slot; 233 __entry->maxp = mep->ep.maxpacket; 234 __entry->mult = mep->ep.mult; 235 __entry->maxburst = mep->ep.maxburst; 236 __entry->flags = mep->flags; 237 __entry->direction = mep->is_in; 238 __entry->gpd_ring = &mep->gpd_ring; > 239 __entry->gpd_ring_dma = &mep->gpd_ring->dma; 240 ), 241 TP_printk("%s: type %s maxp %d slot %d mult %d burst %d ring %p/%pad flags %c:%c%c%c:%c", 242 __get_str(name), usb_ep_type_string(__entry->type), 243 __entry->maxp, __entry->slot, 244 __entry->mult, __entry->maxburst, 245 __entry->gpd_ring, __entry->gpd_ring_dma, 246 __entry->flags & MTU3_EP_ENABLED ? 'E' : 'e', 247 __entry->flags & MTU3_EP_STALL ? 'S' : 's', 248 __entry->flags & MTU3_EP_WEDGE ? 'W' : 'w', 249 __entry->flags & MTU3_EP_BUSY ? 'B' : 'b', 250 __entry->direction ? '<' : '>' 251 ) 252 ); 253 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki