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[PATCH RT 0/4] Linux 3.2.81-rt117-rc1

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  [PATCH RT 0/4] Linux 3.2.81-rt117-rc1 Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 23:00 +0200
    [PATCH RT 3/4] x86: Fix an RT MCE crash Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 23:00 +0200
    [PATCH RT 4/4] Linux 3.2.81-rt117-rc1 Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 23:00 +0200

#1441729 — [PATCH RT 0/4] Linux 3.2.81-rt117-rc1

Dear RT Folks,

This is the RT stable review cycle of patch 3.2.81-rt117-rc1.

Please scream at me if I messed something up. Please test the patches too.

The -rc release will be uploaded to kernel.org and will be deleted when
the final release is out. This is just a review release (or release candidate).

The pre-releases will not be pushed to the git repository, only the
final release is.

If all goes well, this patch will be converted to the next main release
on 7/14/2016.

Enjoy,

-- Steve


To build 3.2.81-rt117-rc1 directly, the following patches should be applied:

  http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.2.tar.xz

  http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.81.xz

  http://www.kernel.org/pub/linux/kernel/projects/rt/3.2/patch-3.2.81-rt117-rc1.patch.xz

You can also build from 3.2.81-rt116 by applying the incremental patch:

http://www.kernel.org/pub/linux/kernel/projects/rt/3.2/incr/patch-3.2.81-rt116-rt117-rc1.patch.xz


Changes from 3.2.81-rt116:

---


Corey Minyard (1):
      x86: Fix an RT MCE crash

Sebastian Andrzej Siewior (1):
      trace: correct off by one while recording the trace-event

Steven Rostedt (Red Hat) (2):
      Revert: KVM: lapic: mark LAPIC timer handler as irqsafe
      Linux 3.2.81-rt117-rc1

----
 arch/x86/kernel/cpu/mcheck/mce.c |  3 ++-
 arch/x86/kvm/lapic.c             | 42 +++-------------------------------------
 include/trace/ftrace.h           |  3 +++
 localversion-rt                  |  2 +-
 4 files changed, 9 insertions(+), 41 deletions(-)

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#1441730 — [PATCH RT 3/4] x86: Fix an RT MCE crash

3.2.81-rt117-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Corey Minyard <cminyard@mvista.com>

On some x86 systems an MCE interrupt would come in before the kernel
was ready for it.  Looking at the latest RT code, it has similar
(but not quite the same) code, except it adds a bool that tells if
MCE handling is initialized.  That was required because they had
switched to use swork instead of a kernel thread.  Here, just
checking to see if the thread is NULL is good enough to see if
MCE handling is initialized.

Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 arch/x86/kernel/cpu/mcheck/mce.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index b08a373f66fb..fc02fe279ddc 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1206,7 +1206,8 @@ static int mce_notify_work_init(void)
 
 static void mce_notify_work(void)
 {
-	wake_up_process(mce_notify_helper);
+	if (mce_notify_helper)
+		wake_up_process(mce_notify_helper);
 }
 #else
 static void mce_notify_work(void)
-- 
2.8.1

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#1441731 — [PATCH RT 4/4] Linux 3.2.81-rt117-rc1

3.2.81-rt117-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

---
 localversion-rt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/localversion-rt b/localversion-rt
index 34eca4e89203..d5f654342ac4 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt116
+-rt117-rc1
-- 
2.8.1

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