[lttng-dev] lttng-modules fails to build on linux 3.18.9

[lttng-dev] lttng-modules fails to build on linux 3.18.9

[Charlie Brown]

Hi all,
lttng-modules 2.6.0 fails to build on linux 3.18.9.
It seems that the marco that defines trace_##name in
include/linux/tracepoint.h has been changed to inline type.
http://permalink.gmane.org/gmane.comp.sysutils.lttng.devel/6332 Confirms
this bug.

Thank you for making lttng!

This is my build log
----------------------------------------------------------------------------------------------------------------------------------------------------------------
In file included from
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/../../../probes/define_trace.h:136:0,
                 from
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/kvm.h:381,
                 from
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/lttng-probe-kvm.c:42:
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/../../../probes/lttng-events.h:180:6:
error: conflicting types for ?trace_kvm_age_page?
 void trace_##_name(_proto);
      ^
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/../../../probes/lttng-events.h:47:2:
note: in expansion of macro ?LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP?
  LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto),
PARAMS(args))
  ^
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/../../../probes/lttng-events.h:107:2:
note: in expansion of macro ?LTTNG_TRACEPOINT_EVENT_MAP?
  LTTNG_TRACEPOINT_EVENT_MAP(name, name,    \
  ^
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/kvm.h:235:1:
note: in expansion of macro ?LTTNG_TRACEPOINT_EVENT?
 LTTNG_TRACEPOINT_EVENT(kvm_age_page,
 ^
In file included from ./arch/x86/include/asm/kvm_host.h:17:0,
                 from include/linux/kvm_host.h:34,
                 from
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/probes/lttng-probe-kvm.c:24:
include/linux/tracepoint.h:169:21: note: previous definition of
?trace_kvm_age_page? was here
  static inline void trace_##name(proto)    \
                     ^
include/linux/tracepoint.h:325:3: note: in expansion of macro
?__DECLARE_TRACE?
   __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
   ^
include/linux/tracepoint.h:459:2: note: in expansion of macro
?DECLARE_TRACE?
  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
  ^
include/trace/events/kvm.h:227:1: note: in expansion of macro ?TRACE_EVENT?
 TRACE_EVENT(kvm_age_page,
 ^
  CC [M]
/var/tmp/portage/dev-util/lttng-modules-2.6.0_rc1/work/lttng-modules-2.6.0-rc1/lib/ringbuffer/ring_buffer_mmap.o
----------------------------------------------------------------------------------------------------------------------------------------------------------------

Sincerely,
???
Charlie
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