2012年3月24日

[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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投稿者 xml-rpc : 2012年3月24日 04:50
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