linux-kernel - linux-next: build warnings from the build of Linus' tree

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Date:   Fri, 24 Aug 2018 13:32:06 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Masami Hiramatsu <mhiramat@...nel.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: linux-next: build warnings from the build of Linus' tree

Hi all,

After merging the origin tree, today's linux-next build (powerpc
allyesconfig) produced these warnings:

ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_selftest_dynamic.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_kprobe_selftest.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_clock.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/ftrace.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/ring_buffer.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/ring_buffer_benchmark.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_output.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_seq.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_stat.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_printk.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/tracing_map.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_sched_switch.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_functions.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_preemptirq.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_irqsoff.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_sched_wakeup.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_hwlat.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_nop.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_stack.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_functions_graph.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/blktrace.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_events.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_export.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_syscalls.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_event_perf.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_events_filter.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_events_trigger.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_events_hist.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/bpf_trace.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_kprobe.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/power-traces.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/rpm-traces.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_kdb.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_probe.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_uprobe.o' being placed in section `.data..LPBX1'
ld: warning: orphan section `.data..LPBX1' from `kernel/trace/trace_benchmark.o' being placed in section `.data..LPBX1'

Maybe introduced by commit

  6b7dca401cb1 ("tracing: Allow gcov profiling on only ftrace subsystem")

I am guessing, but that is the only new thing that affects all of
kernel/trace ...

-- 
Cheers,
Stephen Rothwell

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