---

yaml --- r: 132517 b: refs/heads/master c: 53da1d9 h: refs/heads/master i: 132515: cd66113 v: v3
git-mirror · Mar 23, 2009 · dfc3f99 · dfc3f99
1 parent 190bb8f
commit dfc3f99
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b0dcb4a91ddb79f2e213205cf8d86b467f8559c7
+refs/heads/master: 53da1d9456fe7f87a920a78fdbdcf1225d197cb7
diff --git a/trunk/kernel/signal.c b/trunk/kernel/signal.c
@@ -1575,7 +1575,15 @@ static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
 	read_lock(&tasklist_lock);
 	if (may_ptrace_stop()) {
 		do_notify_parent_cldstop(current, CLD_TRAPPED);
+		/*
+		 * Don't want to allow preemption here, because
+		 * sys_ptrace() needs this task to be inactive.
+		 *
+		 * XXX: implement read_unlock_no_resched().
+		 */
+		preempt_disable();
 		read_unlock(&tasklist_lock);
+		preempt_enable_no_resched();
 		schedule();
 	} else {
 		/*