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SubjectRe: [PATCH 0/5] x86, NMI: give NMI handler a face-lift
On 15.10.10 22:22:13, 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 know people were complaining about having DIE_NMI and DIE_NMI_IPI, but
> for now it is consistent with what was there before. Hopefully, we can
> modify the notifier chain to make it smarter and combine the two events.
>
> 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.
>
> Cheers,
> Don
>
> Huang Ying (5):
> 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
> x86, NMI: Remove do_nmi_callback logic

I am fine with applying the patches, thanks Huang and Don.

I have some 2 comments on them and will reply directly.

-Robert

>
> arch/x86/include/asm/mach_traps.h | 12 +++-
> arch/x86/include/asm/nmi.h | 10 +++-
> arch/x86/kernel/apic/hw_nmi.c | 1 -
> arch/x86/kernel/apic/nmi.c | 29 +-------
> arch/x86/kernel/cpu/perf_event.c | 1 -
> arch/x86/kernel/traps.c | 141 ++++++++++++++++++++----------------
> arch/x86/oprofile/nmi_int.c | 1 -
> arch/x86/oprofile/nmi_timer_int.c | 2 +-
> drivers/char/ipmi/ipmi_watchdog.c | 2 +-
> drivers/watchdog/hpwdt.c | 2 +-
> 10 files changed, 102 insertions(+), 99 deletions(-)
>
> --
> 1.7.2.3
>
>

--
Advanced Micro Devices, Inc.
Operating System Research Center



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