Module Name: src
Committed By: yamt
Date: Tue Jul 26 13:07:20 UTC 2011
Modified Files:
src/sys/kern: subr_lockdebug.c
Log Message:
try to fill ld_locked/ld_unlocked for shared acquisition of lock
To generate a diff of this commit:
cvs rdiff -u -r1.44 -r1.45 src/sys/kern/subr_lockdebug.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/subr_lockdebug.c
diff -u src/sys/kern/subr_lockdebug.c:1.44 src/sys/kern/subr_lockdebug.c:1.45
--- src/sys/kern/subr_lockdebug.c:1.44 Thu Apr 14 06:12:02 2011
+++ src/sys/kern/subr_lockdebug.c Tue Jul 26 13:07:20 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_lockdebug.c,v 1.44 2011/04/14 06:12:02 matt Exp $ */
+/* $NetBSD: subr_lockdebug.c,v 1.45 2011/07/26 13:07:20 yamt Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_lockdebug.c,v 1.44 2011/04/14 06:12:02 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_lockdebug.c,v 1.45 2011/07/26 13:07:20 yamt Exp $");
#include "opt_ddb.h"
@@ -493,6 +493,7 @@
}
} else if (shared) {
l->l_shlocks++;
+ ld->ld_locked = where;
ld->ld_shares++;
ld->ld_shwant--;
} else {
@@ -556,8 +557,10 @@
}
l->l_shlocks--;
ld->ld_shares--;
- if (ld->ld_lwp == l)
+ if (ld->ld_lwp == l) {
+ ld->ld_unlocked = where;
ld->ld_lwp = NULL;
+ }
if (ld->ld_cpu == (uint16_t)cpu_index(curcpu()))
ld->ld_cpu = (uint16_t)-1;
} else {
