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Subject: Re: [V3][PATCH 0/6] x86, nmi: new NMI handling routines
From: Peter Zijlstra <peterz@infradead.org>
To: Don Zickus <dzickus@redhat.com>
Cc: x86@kernel.org, Andi Kleen <andi@firstfloor.org>,
        Robert Richter <robert.richter@amd.com>, ying.huang@intel.com,
        LKML <linux-kernel@vger.kernel.org>, paulmck@linux.vnet.ibm.com
Date: Fri, 26 Aug 2011 11:44:57 +0200
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On Thu, 2011-08-25 at 12:45 -0400, Don Zickus wrote:
> I spent some time hacking and came up with this patch.  I tested it on my
> core2quad machine trying to enable all the NMI handler I could, mainly
> perf and kgdb (and oprofile too when perf was disabled).  Everything seems
> to work correctly.  If people are ok with this approach, I'll try and test
> this on more machines. 

Right, code looks OK, the only worry that remains is overhead, always
running all handlers must cost..