linux-kernel - Re: [tip:perf/core] x86, nmi_watchdog: Remove the old nmi

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Message-ID: <20101118200250.GB8131@redhat.com>
Date:	Thu, 18 Nov 2010 15:02:50 -0500
From:	Don Zickus <dzickus@...hat.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, mingo@...e.hu,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] x86, nmi_watchdog: Remove the old nmi_watchdog

On Thu, Nov 18, 2010 at 11:39:50AM -0800, Yinghai Lu wrote:
> > 
> > Please update the kernel-parameters.txt accordingly.
> > 
> > and you need to keep unknown_nmi_panic or else as early_param().
> > 
> > Also any corresponding part like "nmi_watchdog=off" ?
> > 
> 
> also you have some other left-over...
> 
> Documentation/kernel-parameters.txt:    unknown_nmi_panic
> Documentation/kernel-parameters.txt:                    Set unknown_nmi_panic=1 early on boot.
> Documentation/sysctl/kernel.txt:- unknown_nmi_panic
> Documentation/sysctl/kernel.txt:unknown_nmi_panic:
> arch/x86/include/asm/nmi.h:extern int unknown_nmi_panic;
> arch/x86/kernel/apic/hw_nmi.c:int unknown_nmi_panic;
> kernel/sysctl_binary.c: { CTL_INT,      KERN_UNKNOWN_NMI_PANIC,         "unknown_nmi_panic" },
> 
> may still have left for nmi_watchdog too.

Yes the first part of the patch left in stubs.  The second piece should
clean up stuff like nmi_watchdog.

On the other side unknown_nmi_panic is actually going to be added back in
with another patch that re-arranges the default_do_nmi() call that I
posted in another patch series.

Cheers,
Don
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