linux-kernel - [PATCH v3 1/3] tracing: Change STR_VAR_MAX

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Message-Id: <34a494e502fe1364b07896ef4d76f1fbbb8d1d1a.1601588066.git.zanussi@kernel.org>
Date:   Thu,  1 Oct 2020 16:46:44 -0500
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org, axelrasmussen@...gle.com
Cc:     mhiramat@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/3] tracing: Change STR_VAR_MAX_LEN

32 is too small for this value, and anyway it makes more sense to use
MAX_FILTER_STR_VAL, as this is also the value used for variable-length
__strings.

Tested-by: Axel Rasmussen <axelrasmussen@...gle.com>
Signed-off-by: Tom Zanussi <zanussi@...nel.org>
---
 kernel/trace/trace_synth.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_synth.h b/kernel/trace/trace_synth.h
index ac35c45207c4..5166705d1556 100644
--- a/kernel/trace/trace_synth.h
+++ b/kernel/trace/trace_synth.h
@@ -7,7 +7,7 @@
 #define SYNTH_SYSTEM		"synthetic"
 #define SYNTH_FIELDS_MAX	32
 
-#define STR_VAR_LEN_MAX		32 /* must be multiple of sizeof(u64) */
+#define STR_VAR_LEN_MAX		MAX_FILTER_STR_VAL /* must be multiple of sizeof(u64) */
 
 struct synth_field {
 	char *type;
-- 
2.17.1