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lttng-modules: fix build against mips and v5.19 kernel

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When building against a v5.19 mips kernel, the following errors
were triggered:

  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:105:42: note: expected 'struct compact_control *' but argument is of type 'struct compact_control *'
  |   105 |         TP_PROTO(struct compact_control *cc,
  |       |                  ~~~~~~~~~~~~~~~~~~~~~~~~^~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:779:68: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  |   779 | static inline size_t __event_get_align__##_name(void *__tp_locvar, _proto)    \
  |       |                                                                    ^~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:106:50: note: in expansion of macro 'PARAMS'
  |   106 |         LTTNG_TRACEPOINT_EVENT_CLASS_CODE(_name, PARAMS(_proto), PARAMS(_args), , , \
  |       |                                                  ^~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:41:9: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
  |    41 |         LTTNG_TRACEPOINT_EVENT_CLASS(map,                               \
  |       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:42:30: note: in expansion of macro 'PARAMS'
  |    42 |                              PARAMS(proto),                             \
  |       |                              ^~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:101:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_MAP'
  |   101 | LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  |       | ^~~~~~~~~~~~~~~~~~~~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:105:9: note: in expansion of macro 'TP_PROTO'
  |   105 |         TP_PROTO(struct compact_control *cc,
  |       |         ^~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:112:57: error: invalid use of undefined type 'struct compact_control'

...

  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:108:25: warning: 'struct compact_control' declared inside parameter list will not be visible outside of this definition or declaration
  |   108 |         TP_PROTO(struct compact_control *cc,
  |       |                         ^~~~~~~~~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:159:43: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
  |   159 | void __event_template_proto___##_template(_proto);
  |       |                                           ^~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:45:61: note: in expansion of macro 'PARAMS'
  |    45 |         LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
  |       |                                                             ^~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:104:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_MAP'
  |   104 | LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  |       | ^~~~~~~~~~~~~~~~~~~~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:108:9: note: in expansion of macro 'TP_PROTO'
  |   108 |         TP_PROTO(struct compact_control *cc,
  |       |         ^~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:159:6: error: conflicting types for '__event_template_proto___compaction_migratepages'; have 'void(struct compact_control *, unsigned int)'
  |   159 | void __event_template_proto___##_template(_proto);
  |       |      ^~~~~~~~~~~~~~~~~~~~~~~~~
  | lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:45:9: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
  |    45 |         LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
  |       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The root cause appears to be that this particular mips kernel does not
have CONFIG_COMPACTION avaiable, and hence we end up with the struct
declaration within this tracepoint, and then conflicting types.

While putting the conditional around only compaction_migratepages seemed
sufficient to get the build working, it doesn't look like any of the
tracepoints should be valid, so we extend it to all definitions.

Upstream-Status: Submitted [https://lists.lttng.org/pipermail/lttng-dev/2022-August/030246.html]

(From OE-Core rev: e25f7b5ca83d3f025ef2235f2ebd8233013eb406)

(From OE-Core rev: 86c10960e27efaa2958abcb0ca5cb2d6eea0480f)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2022-08-16 17:35:33 +08:00
committed by Richard Purdie
parent 6d8c1d0a94
commit 848585c96f
2 changed files with 104 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
meta/recipes-kernel/lttng/lttng-modules/0001-compaction-make-tracepoints-condtional-on-CONFIG_COM.patch Normal file
View File

@@ -0,0 +1,103 @@
From 417bb00022c813c6dc11bfa652d74f3687df7626 Mon Sep 17 00:00:00 2001
From: Bruce Ashfield <bruce.ashfield@gmail.com>
Date: Wed, 3 Aug 2022 14:55:56 -0400
Subject: [PATCH] compaction: make tracepoints condtional on CONFIG_COMPACTION
When building against a v5.19 mips kernel, the following errors
were triggered:
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:105:42: note: expected 'struct compact_control *' but argument is of type 'struct compact_control *'
| 105 | TP_PROTO(struct compact_control *cc,
| | ~~~~~~~~~~~~~~~~~~~~~~~~^~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:779:68: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
| 779 | static inline size_t __event_get_align__##_name(void *__tp_locvar, _proto) \
| | ^~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:106:50: note: in expansion of macro 'PARAMS'
| 106 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(_name, PARAMS(_proto), PARAMS(_args), , , \
| | ^~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:41:9: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
| 41 | LTTNG_TRACEPOINT_EVENT_CLASS(map, \
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:42:30: note: in expansion of macro 'PARAMS'
| 42 | PARAMS(proto), \
| | ^~~~~~
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:101:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_MAP'
| 101 | LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:105:9: note: in expansion of macro 'TP_PROTO'
| 105 | TP_PROTO(struct compact_control *cc,
| | ^~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:112:57: error: invalid use of undefined type 'struct compact_control'
...
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:108:25: warning: 'struct compact_control' declared inside parameter list will not be visible outside of this definition or declaration
| 108 | TP_PROTO(struct compact_control *cc,
| | ^~~~~~~~~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:159:43: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
| 159 | void __event_template_proto___##_template(_proto);
| | ^~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:45:61: note: in expansion of macro 'PARAMS'
| 45 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
| | ^~~~~~
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:104:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_MAP'
| 104 | LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/instrumentation/events/compaction.h:108:9: note: in expansion of macro 'TP_PROTO'
| 108 | TP_PROTO(struct compact_control *cc,
| | ^~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:159:6: error: conflicting types for '__event_template_proto___compaction_migratepages'; have 'void(struct compact_control *, unsigned int)'
| 159 | void __event_template_proto___##_template(_proto);
| | ^~~~~~~~~~~~~~~~~~~~~~~~~
| lttng-modules-2.13.4/src/probes/../../include/lttng/tracepoint-event-impl.h:45:9: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP'
| 45 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(map, name, map, PARAMS(proto), PARAMS(args))
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The root cause appears to be that this particular mips kernel does not
have CONFIG_COMPACTION avaiable, and hence we end up with the struct
declaration within this tracepoint, and then conflicting types.
While putting the conditional around only compaction_migratepages seemed
sufficient to get the build working, it doesn't look like any of the
tracepoints should be valid, so we extend it to all definitions.
Upstream-Status: Submitted [https://lists.lttng.org/pipermail/lttng-dev/2022-August/030246.html]
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
---
include/instrumentation/events/compaction.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/instrumentation/events/compaction.h b/include/instrumentation/events/compaction.h
index ecae39a..155804a 100644
--- a/include/instrumentation/events/compaction.h
+++ b/include/instrumentation/events/compaction.h
@@ -9,6 +9,8 @@
#include <linux/types.h>
#include <lttng/kernel-version.h>
+#ifdef CONFIG_COMPACTION
+
#if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)
LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
@@ -97,6 +99,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
#endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0) */
+
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,18,0))
LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
@@ -182,6 +185,8 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
)
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,16,0)) */
+#endif /* CONFIG_COMPACTION */
+
#endif /* LTTNG_TRACE_COMPACTION_H */
/* This part must be outside protection */
--
2.25.1

1
meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb
View File

@@ -15,6 +15,7 @@ SRC_URI = "https://lttng.org/files/${BPN}/${BPN}-${PV}.tar.bz2 \
file://0002-fix-fs-Remove-flags-parameter-from-aops-write_begin-.patch \
file://0003-fix-workqueue-Fix-type-of-cpu-in-trace-event-v5.19.patch \
file://0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch \
file://0001-compaction-make-tracepoints-condtional-on-CONFIG_COM.patch \
"
# Use :append here so that the patch is applied also when using devupstream