diff options
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-modules/0002-Fix-tracepoint-event-allow-same-provider-and-event-n.patch')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules/0002-Fix-tracepoint-event-allow-same-provider-and-event-n.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-tracepoint-event-allow-same-provider-and-event-n.patch b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-tracepoint-event-allow-same-provider-and-event-n.patch new file mode 100644 index 0000000000..00367eebf8 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-tracepoint-event-allow-same-provider-and-event-n.patch @@ -0,0 +1,48 @@ +From a7eb2e3d0a4beb1ee80b132927641dd05ef2d542 Mon Sep 17 00:00:00 2001 +From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Date: Mon, 4 Apr 2022 15:49:32 -0400 +Subject: [PATCH 02/10] Fix: tracepoint event: allow same provider and event + name + +Using the same name for the provider (TRACE_SYSTEM) and event name +causes a compilation error because the same identifiers are emitted +twice. + +Fix this by prefixing the provider identifier with +"__provider_event_desc___". + +Upstream-Status: Backport + +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Change-Id: I8cdf8f859e35b8bd5c19737860d12f1ed546dfc2 +--- + include/lttng/tracepoint-event-impl.h | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/include/lttng/tracepoint-event-impl.h b/include/lttng/tracepoint-event-impl.h +index 38b1dc43..dcb22247 100644 +--- a/include/lttng/tracepoint-event-impl.h ++++ b/include/lttng/tracepoint-event-impl.h +@@ -1255,7 +1255,7 @@ static const struct lttng_kernel_event_desc __event_desc___##_map = { \ + #define TP_ID1(_token, _system) _token##_system + #define TP_ID(_token, _system) TP_ID1(_token, _system) + +-static const struct lttng_kernel_event_desc * const TP_ID(__event_desc___, TRACE_SYSTEM)[] = { ++static const struct lttng_kernel_event_desc * const TP_ID(__provider_event_desc___, TRACE_SYSTEM)[] = { + #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) + }; + +@@ -1274,8 +1274,8 @@ static const struct lttng_kernel_event_desc * const TP_ID(__event_desc___, TRACE + /* non-const because list head will be modified when registered. */ + static __used struct lttng_kernel_probe_desc TP_ID(__probe_desc___, TRACE_SYSTEM) = { + .provider_name = __stringify(TRACE_SYSTEM), +- .event_desc = TP_ID(__event_desc___, TRACE_SYSTEM), +- .nr_events = ARRAY_SIZE(TP_ID(__event_desc___, TRACE_SYSTEM)), ++ .event_desc = TP_ID(__provider_event_desc___, TRACE_SYSTEM), ++ .nr_events = ARRAY_SIZE(TP_ID(__provider_event_desc___, TRACE_SYSTEM)), + .head = { NULL, NULL }, + .lazy_init_head = { NULL, NULL }, + .lazy = 0, +-- +2.19.1 + |