linux-kernel - linux-next: build failure after merge of the tip tree

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Date:   Thu, 21 Nov 2019 14:54:03 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Airlie <airlied@...ux.ie>,
        DRI <dri-devel@...ts.freedesktop.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Kevin Wang <kevin1.wang@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: linux-next: build failure after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

In file included from include/trace/define_trace.h:102,
                 from drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h:502,
                 from drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c:29:
include/trace/../../drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h:476:52: error: expected expression before ';' token
  476 |         __string(ring, sched_job->base.sched->name);
      |                                                    ^
include/trace/trace_events.h:435:2: note: in definition of macro 'DECLARE_EVENT_CLASS'
  435 |  tstruct        \
      |  ^~~~~~~
include/trace/trace_events.h:77:9: note: in expansion of macro 'PARAMS'
   77 |         PARAMS(tstruct),         \
      |         ^~~~~~
include/trace/../../drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h:472:1: note: in expansion of macro 'TRACE_EVENT'
  472 | TRACE_EVENT(amdgpu_ib_pipe_sync,
      | ^~~~~~~~~~~
include/trace/../../drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h:475:6: note: in expansion of macro 'TP_STRUCT__entry'
  475 |      TP_STRUCT__entry(
      |      ^~~~~~~~~~~~~~~~

Caused by commit

  2c2fdb8bca29 ("drm/amdgpu: fix amdgpu trace event print string format error")

from the drm tree interacting with commit

  60fdad00827c ("ftrace: Rework event_create_dir()")

from the tip tree.

I have added the following merge fix patch:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 21 Nov 2019 14:46:00 +1100
Subject: [PATCH] merge fix for "ftrace: Rework event_create_dir()"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index f940526c5889..63e734a125fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -473,7 +473,7 @@ TRACE_EVENT(amdgpu_ib_pipe_sync,
 	    TP_PROTO(struct amdgpu_job *sched_job, struct dma_fence *fence),
 	    TP_ARGS(sched_job, fence),
 	    TP_STRUCT__entry(
-			     __string(ring, sched_job->base.sched->name);
+			     __string(ring, sched_job->base.sched->name)
 			     __field(uint64_t, id)
 			     __field(struct dma_fence *, fence)
 			     __field(uint64_t, ctx)
-- 
2.23.0

-- 
Cheers,
Stephen Rothwell

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