From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: David Miller <davem@davemloft.net>
Cc: mingo@elte.hu, dhaval@linux.vnet.ibm.com, vatsa@in.ibm.com,
dmitry.adamushko@gmail.com, linux-kernel@vger.kernel.org,
efault@gmx.de
Subject: Re: [RFC][PATCH 1/2] sched: higher granularity load on 64bit systems
Date: Thu, 24 Apr 2008 08:47:20 +0200 [thread overview]
Message-ID: <1209019640.7115.345.camel@twins> (raw)
In-Reply-To: <20080423.172710.152976766.davem@davemloft.net>
On Wed, 2008-04-23 at 17:27 -0700, David Miller wrote:
> From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Date: Thu, 24 Apr 2008 00:07:56 +0200
>
> > The below is an RFC because for some reason it regresses kbuild by 5% on
> > my machine (and more on the largesmp that are the reason for it).
>
> This causes my 64-cpu Niagara2 box to completely hang when I run "make
> clean" on a kernel tree after a fresh bootup.
>
> Can we just revert all of this broken code until it's sorted out? :-/
>
> We're going on 4 days with unfixed major regressions from the
> scheduler tree merge, and these regressions make systems unusable.
>
> This is blocking my own work, and I'm starting to lose my patience.
Yes, this is all rather embarassing - if you want a revert of the
offending patches I can spin you one, and if this isn't solved quickly
I'm afraid we'll indeed have to revert in -linus :-/
Sorry about this.
prev parent reply other threads:[~2008-04-24 6:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-23 22:07 [RFC][PATCH 1/2] sched: higher granularity load on 64bit systems Peter Zijlstra
2008-04-23 22:09 ` [RFC][PATCH 2/2] sched: aggregate_group_shares no loop Peter Zijlstra
2008-04-24 0:27 ` [RFC][PATCH 1/2] sched: higher granularity load on 64bit systems David Miller
2008-04-24 1:58 ` Dhaval Giani
2008-04-24 2:13 ` David Miller
2008-04-24 6:47 ` Peter Zijlstra [this message]
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