linux-kernel - [ANNOUNCE] 3.0.25-rt44

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Date:	Fri, 23 Mar 2012 15:50:00 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Carsten Emde <C.Emde@...dl.org>, John Kacur <jkacur@...hat.com>
Subject: [ANNOUNCE] 3.0.25-rt44


Dear RT Folks,

I'm pleased to announce the 3.0.25-rt44 stable release.


You can get this release via the git tree at:

  git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git

  Head SHA1: ed5ff257433a0c026d8724288d921dc8c6da7d57


Or to build 3.0.25-rt44 directly, the following patches should be applied:

  http://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.xz

  http://www.kernel.org/pub/linux/kernel/v3.0/patch-3.0.25.xz

  http://www.kernel.org/pub/linux/kernel/projects/rt/3.0/patch-3.0.25-rt44.patch.xz


You can also build from 3.0.25-rt43 by applying the incremental patch:

  http://www.kernel.org/pub/linux/kernel/projects/rt/3.0/incr/patch-3.0.25-rt43-rt44.patch.xz



Enjoy,

-- Steve


Changes from 3.0.25-rt43:

---

Richard Weinberger (1):
      printk: Disable migration instead of preemption

Steven Rostedt (2):
      Revert "kprobes: adjust "fix a memory leak in function pre_handler_kretprobe()""
      Linux 3.0.25-rt44

----
 kernel/kprobes.c |    4 ++--
 kernel/printk.c  |    4 ++--
 localversion-rt  |    2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)
---------------------------
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index a7dcf06..9cdbf26 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1661,9 +1661,9 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p,
 		ri->task = current;
 
 		if (rp->entry_handler && rp->entry_handler(ri, regs)) {
-			spin_lock_irqsave(&rp->lock, flags);
+			raw_spin_lock_irqsave(&rp->lock, flags);
 			hlist_add_head(&ri->hlist, &rp->free_instances);
-			spin_unlock_irqrestore(&rp->lock, flags);
+			raw_spin_unlock_irqrestore(&rp->lock, flags);
 			return 0;
 		}
 
diff --git a/kernel/printk.c b/kernel/printk.c
index 30dc7f0..60f4290 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -900,7 +900,7 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 	boot_delay_msec();
 	printk_delay();
 
-	preempt_disable();
+	migrate_disable();
 	/* This stops the holder of console_sem just where we want him */
 	raw_local_irq_save(flags);
 	this_cpu = smp_processor_id();
@@ -1031,7 +1031,7 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 out_restore_irqs:
 	raw_local_irq_restore(flags);
 
-	preempt_enable();
+	migrate_enable();
 	return printed_len;
 }
 EXPORT_SYMBOL(printk);
diff --git a/localversion-rt b/localversion-rt
index 41f7b99..ac4d836 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt43
+-rt44


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