Messages in this thread | | | Date | Mon, 25 Jun 2007 23:06:47 +0200 | From | Björn Steinbrink <> | Subject | Re: [PATCH 1/2] Always probe the NMI watchdog |
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On 2007.06.25 21:36:17 +0200, Andi Kleen wrote: > On Monday 25 June 2007 21:09, Andrew Morton wrote: > > On Wed, 20 Jun 2007 20:34:48 +0200 > > > > Bj__rn Steinbrink <B.Steinbrink@gmx.de> wrote: > > > The performance counter allocator relies on the nmi watchdog being > > > probed, so we have to do that even if the watchdog is not enabled. > > > > So... what's the status of this lot? > > > > I've just merged this patch and the second one: > > > > Subject: [PATCH 2/2] Reserve the right performance counter for the Intel > > PerfMon NMI watchdog Message-ID: <20070620183551.GC3251@atjola.homenet> > > > > but there was no followup discussion afaict. > > > > Andi, Stephane: acks? > > Yes, although I'm still a little uneasy about the always probe one. > > > If acked, do we agree that this is 2.6.22 material? > > The first (always probe) is probably .22 material, but needs more testing > first.
Hm, without the second, I expect OProfile to break when the watchdog is enabled. Alternatively to the patch I sent, we could revert the change that makes it use perfctr1 instead of perfctr0. Would you prefer that?
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