linux-kernel - [PATCH] markers: fix missing modpost entry in Module.markers

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Date:	Tue, 07 Oct 2008 14:35:23 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>, Greg KH <gregkh@...e.de>
CC:	stable@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Roland McGrath <roland@...hat.com>,
	Wenji Huang <wenji.huang@...cle.com>,
	Takashi Nishiie <t-nishiie@...css.fujitsu.com>,
	systemtap@...rceware.org
Subject: [PATCH] markers: fix missing modpost entry in Module.markers


commit d35cb360c29956510b2fe1a953bd4968536f7216 brought a bug.
marker points compiled in vmlinux are missing in Module.markers.

# cat Module.markers
subsystem_event samples/markers/marker-example  integer %d string %s
subsystem_eventb        samples/markers/marker-example

# stap -e 'probe kernel.mark("core_marker_format"){} '
semantic error: no match while resolving probe point kernel.mark("core_marker_format")
semantic error: no probes found
Pass 2: analysis failed.  Try again with more '-v' (verbose) options.

This patch revert a part of d35cb360c29956510b2fe1a953bd4968536f7216.
Other parts have fixed duplicate modpost entry bug.


Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 418cd7d..3509142 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1992,8 +1992,7 @@ static void read_markers(const char *fname)
 			mod->skip = 1;
 		}
 
-		if (!mod->skip)
-			add_marker(mod, marker, fmt);
+		add_marker(mod, marker, fmt);
 	}
 	return;
 fail:


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