From: Don Zickus <dzickus@redhat.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
mingo@elte.hu, peterz@infradead.org, aris@redhat.com,
linux-kernel@vger.kernel.org, randy.dunlap@oracle.com
Subject: Re: [PATCH 2/8] [nmi watchdog] touch_softlockup cleanups and softlockup_tick removal
Date: Wed, 12 May 2010 17:50:15 -0400 [thread overview]
Message-ID: <20100512215015.GM15159@redhat.com> (raw)
In-Reply-To: <20100512213814.GB5190@lenovo>
On Thu, May 13, 2010 at 01:38:14AM +0400, Cyrill Gorcunov wrote:
> On Wed, May 12, 2010 at 11:00:36PM +0200, Frederic Weisbecker wrote:
> ...
> > > >
> > > > Ah right.
> > > >
> > > > BTW, if you address my reviews, please do it incrementally, I'm going
> > > > to apply this set and push it to Ingo.
> > >
> > > Ok, probably easier to review too. :-)
> >
> >
> > Yeah, and it's time to flush this code as it's good globally.
> >
> > Plus it would be nice to get this for .35
> >
> > Ah and forget about the sysctl ABI breakages. Since this is only
> > used for kernel development, this is not going to break much things.
> > If somebody complains, we can still reintegrate what we had.
> >
> > Thanks.
> >
> ...
> Guys, could you please spend a few minutes and enlighten me a bit?
> Does all this series mean that we eventually will drop nmi-watchdog
> via io-apic (read via pic) as only the transition to perf complete?
>
> I recall someone said about to stop using io-apic, but just to be sure.
Right, this code sits on top of the perf subsystem which uses lapic.
Eventually, the old nmi watchdog code will disappear along with the
support for io-apic.
Cheers,
Don
next prev parent reply other threads:[~2010-05-12 21:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-07 21:11 [PATCH 0/8] lockup detector changes Don Zickus
2010-05-07 21:11 ` [PATCH 1/8] [watchdog] combine nmi_watchdog and softlockup Don Zickus
2010-05-12 19:55 ` Frederic Weisbecker
2010-05-13 6:51 ` [tip:perf/nmi] lockup_detector: Combine nmi_watchdog and softlockup detector tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 2/8] [nmi watchdog] touch_softlockup cleanups and softlockup_tick removal Don Zickus
2010-05-12 20:06 ` Frederic Weisbecker
2010-05-12 20:26 ` Don Zickus
2010-05-12 20:28 ` Frederic Weisbecker
2010-05-12 20:56 ` Don Zickus
2010-05-12 21:00 ` Frederic Weisbecker
2010-05-12 21:38 ` Cyrill Gorcunov
2010-05-12 21:50 ` Don Zickus [this message]
2010-05-13 15:53 ` Cyrill Gorcunov
2010-05-13 16:04 ` Don Zickus
2010-05-13 6:52 ` [tip:perf/nmi] lockup_detector: Touch_softlockup " tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 3/8] [watchdog] remove old softlockup code Don Zickus
2010-05-13 6:52 ` [tip:perf/nmi] lockup_detector: Remove " tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 4/8] [watchdog] remove nmi_watchdog.c file Don Zickus
2010-05-13 6:52 ` [tip:perf/nmi] lockup_detector: Remove " tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 5/8] [x86] watchdog: move trigger_all_cpu_backtrace to its own die_notifier Don Zickus
2010-05-13 6:53 ` [tip:perf/nmi] x86: Move " tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 6/8] [x86] watchdog: cleanup hw_nmi.c cruft Don Zickus
2010-05-13 6:53 ` [tip:perf/nmi] x86: Cleanup " tip-bot for Don Zickus
2010-05-07 21:11 ` [PATCH 7/8] [watchdog] resolve softlockup.c conflicts Don Zickus
2010-05-07 21:11 ` [PATCH 8/8] [watchdog] separate touch_nmi_watchdog code path from touch_watchdog Don Zickus
2010-05-13 6:53 ` [tip:perf/nmi] lockup_detector: Separate " tip-bot for Don Zickus
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