linux-kernel - Re: [V3 PATCH 0/9] x86, NMI: give NMI handler a face-lift

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Date:	Wed, 22 Dec 2010 11:16:26 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Don Zickus <dzickus@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Robert Richter <robert.richter@....com>,
	Andi Kleen <andi@...stfloor.org>,
	"gorcunov@...il.com" <gorcunov@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [V3 PATCH 0/9] x86, NMI: give NMI handler a face-lift

Hi, Don,

It seems that this patchset has not been merged yet.  Give it a retry?
Busy on watchdog issue?

Best Regards,
Huang Ying

On Wed, 2010-12-01 at 06:27 +0800, Don Zickus wrote:
> Restructuring the nmi handler to be more readable and simpler.
> 
> This is just laying the ground work for future improvements in this area.
> 
> I also left out one of Huang's patch until we figure out how we are going
> to proceed with a new notifier.
> 
> Tested 32-bit and 64-bit on AMD and Intel machines.
> 
> V3:  rebased on top of removal of nmi watchdog
>      add a couple more watchdog patches from my queue
> 
> V2:  add a patch to kill DIE_NMI_IPI and add in priorities
> 
> Cheers,
> Don
> 
> Don Zickus (5):
>   x86, NMI: Remove DIE_NMI_IPI and add priorties to handlers
>   x86: only call smp_processor_id in non-preempt cases
>   panic:  ratelimit panic messages
>   watchdog:  touch_nmi_watchdog should only touch local cpu not every
>     one
> 
> Dongdong Deng (1):
>   x86: Avoid calling arch_trigger_all_cpu_backtrace() at the same time
> 
> Huang Ying (3):
>   x86, NMI: Add NMI symbol constants and rename memory parity to PCI
>     SERR
>   x86, NMI: Add touch_nmi_watchdog to io_check_error delay
>   x86, NMI: Rewrite NMI handler
>   x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU
> 
>  Documentation/kernel-parameters.txt     |    6 ++
>  arch/x86/include/asm/kdebug.h           |    1 -
>  arch/x86/include/asm/mach_traps.h       |   12 +++-
>  arch/x86/include/asm/nmi.h              |   20 ++++++
>  arch/x86/kernel/apic/hw_nmi.c           |   19 ++++-
>  arch/x86/kernel/apic/x2apic_uv_x.c      |    2 +-
>  arch/x86/kernel/cpu/mcheck/mce-inject.c |    5 +-
>  arch/x86/kernel/cpu/perf_event.c        |    3 +-
>  arch/x86/kernel/kgdb.c                  |    6 +--
>  arch/x86/kernel/reboot.c                |    5 +-
>  arch/x86/kernel/traps.c                 |  114 ++++++++++++++++---------------
>  arch/x86/oprofile/nmi_int.c             |    3 +-
>  arch/x86/oprofile/nmi_timer_int.c       |    2 +-
>  drivers/char/ipmi/ipmi_watchdog.c       |    2 +-
>  drivers/watchdog/hpwdt.c                |    2 +-
>  kernel/panic.c                          |   30 ++++++++
>  kernel/watchdog.c                       |   17 +++--
>  17 files changed, 166 insertions(+), 83 deletions(-)
> 


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