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From 7bba0e02b4339453cc8d42bc64911976c31403d1 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 21 Sep 2011 19:57:12 +0200
Subject: [PATCH 015/274] signal-revert-ptrace-preempt-magic.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/signal.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index 17afcaf..6b5071f 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1909,15 +1909,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
if (gstop_done && ptrace_reparented(current))
do_notify_parent_cldstop(current, false, why);
- /*
- * 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 {
/*
--
1.7.10.4
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