From: kernel test robot <lkp@intel.com>
To: "Paul E. McKenney" <paulmck@kernel.org>
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')
Date: Thu, 10 Sep 2026 22:03:48 +0800 [thread overview]
Message-ID: <202609101926.cc5w6bhk-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
next reply other threads:[~2026-09-10 14:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-10 14:03 kernel test robot [this message]
2026-09-10 16:14 ` Paul E. McKenney
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