From: Jim Cromie <jim.cromie@gmail.com>
To: jbaron@akamai.com, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org
Cc: Jim Cromie <jim.cromie@gmail.com>
Subject: [RFC PATCH v2 06/19] dyndbg: accept null site in ddebug_change
Date: Fri, 25 Dec 2020 13:19:31 -0700 [thread overview]
Message-ID: <20201225201944.3701590-7-jim.cromie@gmail.com> (raw)
In-Reply-To: <20201225201944.3701590-1-jim.cromie@gmail.com>
fix a debug-print that includes site info, by adding an alternate
debug message that does not.
no functional changes.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
---
lib/dynamic_debug.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 050c65142d9b..5422cef58130 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -232,10 +232,17 @@ static int ddebug_change(const struct ddebug_query *query,
static_branch_enable(&dp->key.dd_key_true);
#endif
dp->flags = newflags;
- v2pr_info("changed %s:%d [%s]%s =%s\n",
- trim_prefix(dc->filename), dp->lineno,
- dt->mod_name, dc->function,
- ddebug_describe_flags(dp->flags, &fbuf));
+
+ if (dc)
+ v2pr_info("changed %s:%d [%s]%s =%s\n",
+ trim_prefix(dc->filename), dp->lineno,
+ dt->mod_name, dc->function,
+ ddebug_describe_flags(dp->flags, &fbuf));
+ else
+ v2pr_info("changed %s:%d =%s \"%s\"\n",
+ dt->mod_name, dp->lineno,
+ ddebug_describe_flags(dp->flags, &fbuf),
+ dp->format);
}
}
mutex_unlock(&ddebug_lock);
--
2.29.2
next prev parent reply other threads:[~2020-12-25 20:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-25 20:19 [RFC PATCH v2 00/19] dynamic debug diet plan Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 01/19] dyndbg: fix use before null check Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 02/19] dyndbg: split struct _ddebug, move display fields to new _ddebug_callsite Jim Cromie
2020-12-31 2:34 ` [dyndbg] e83b4a5011: leaking-addresses.proc.__dyndbg_callsites kernel test robot
2020-12-25 20:19 ` [RFC PATCH v2 03/19] dyndbg: refactor part of ddebug_change to ddebug_match_site Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 04/19] dyndbg: accept null site in ddebug_match_site Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 05/19] dyndbg: hoist ->site out of ddebug_match_site Jim Cromie
2020-12-25 20:19 ` Jim Cromie [this message]
2020-12-25 20:19 ` [RFC PATCH v2 07/19] dyndbg: accept null site in dynamic_emit_prefix Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 08/19] dyndbg: accept null site in ddebug_proc_show Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 09/19] dyndbg: optimize ddebug_emit_prefix Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 10/19] dyndbg: avoid calling dyndbg_emit_prefix when it has no work Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 11/19] dyndbg: refactor ddebug_alter_site out of ddebug_change Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 12/19] dyndbg: allow deleting site info via control interface Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 13/19] dyndbg: verify __dyndbg & __dyndbg_callsite invariant Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 14/19] dyndbg+module: expose ddebug_callsites to modules Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 15/19] dyndbg: add ddebug_site_get/put api with pass-thru impl Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 16/19] dyndbg: ddebug_site_get/put api commentary Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 17/19] dyndbg: rearrange struct ddebug_callsites Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 18/19] dyndbg: add module_index to struct _ddebug Jim Cromie
2020-12-25 20:19 ` [RFC PATCH v2 19/19] dyndbg: try DEFINE_DYNAMIC_DEBUG_TABLE Jim Cromie
2020-12-29 18:56 ` [RFC PATCH v2 00/19] dynamic debug diet plan Joe Perches
2021-01-06 17:50 ` jim.cromie
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