Revert "tracing: Add "(fault)" name injection to kernel probes"
authorMasami Hiramatsu (Google) <mhiramat@kernel.org>
Tue, 11 Jul 2023 14:15:57 +0000 (23:15 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Aug 2023 08:23:55 +0000 (10:23 +0200)
commitbee994668855c2ba43d367cde56d113e00c7863c
tree65d1acaa10f199ac4fabb80fbd70cc8c0ca33932
parentf3baa42afeea0d5f04ad31525e861199d02210cc
Revert "tracing: Add "(fault)" name injection to kernel probes"

[ Upstream commit 4ed8f337dee32df71435689c19d22e4ee846e15a ]

This reverts commit 2e9906f84fc7c99388bb7123ade167250d50f1c0.

It was turned out that commit 2e9906f84fc7 ("tracing: Add "(fault)"
name injection to kernel probes") did not work correctly and probe
events still show just '(fault)' (instead of '"(fault)"'). Also,
current '(fault)' is more explicit that it faulted.

This also moves FAULT_STRING macro to trace.h so that synthetic
event can keep using it, and uses it in trace_probe.c too.

Link: https://lore.kernel.org/all/168908495772.123124.1250788051922100079.stgit@devnote2/
Link: https://lore.kernel.org/all/20230706230642.3793a593@rorschach.local.home/
Cc: stable@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Stable-dep-of: 797311bce5c2 ("tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails")
Signed-off-by: Sasha Levin <sashal@kernel.org>
kernel/trace/trace.h
kernel/trace/trace_probe.c
kernel/trace/trace_probe_kernel.h