From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Justin Madru <jdm64@gawab.com>,
lkml <linux-kernel@vger.kernel.org>,
Michal Januszewski <spock@gentoo.org>,
Antonino Daplas <adaplas@gmail.com>, Greg KH <gregkh@suse.de>,
Rafael Wysocki <rjw@sisk.pl>,
Romano Giannetti <romano.giannetti@gmail.com>,
Adrian Bunk <bunk@kernel.org>,
Jeremy Nickurak <kernel-bugs@atrus.rifetech.com>
Subject: Re: Backport hr-tick fix into .25/.26
Date: Tue, 19 Aug 2008 08:28:16 +0200 [thread overview]
Message-ID: <1219127296.10800.357.camel@twins> (raw)
In-Reply-To: <20080819003110.GH9914@elte.hu>
On Tue, 2008-08-19 at 02:31 +0200, Ingo Molnar wrote:
> * Justin Madru <jdm64@gawab.com> wrote:
>
> > This commit introduced the bug.
> > commit 8f4d37ec073c17e2d4aa8851df5837d798606d6f
> > sched: high-res preemption tick
>
> > And this one fixed it
> >
> > commit 31656519e132f6612584815f128c83976a9aaaef
> > sched, x86: clean up hrtick implementation
>
> hm, the backport of 31656519 is a bit intrusive.
>
> find below is an (untested!) version of it - i havent even build-tested
> it. Does it work for you? But this is Greg's call really.
>
It largely depends on all the new IPI stuff that went into 27 as well,
so I'd be surprised if its easily backportable..
next prev parent reply other threads:[~2008-08-19 6:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-18 18:21 Justin Madru
2008-08-19 0:31 ` Ingo Molnar
2008-08-19 2:43 ` Justin Madru
2008-08-19 6:28 ` Peter Zijlstra [this message]
2008-08-19 9:25 ` Ingo Molnar
2008-08-19 9:33 ` Peter Zijlstra
2008-08-19 18:22 ` Greg KH
2008-08-19 19:30 ` Justin Madru
2008-08-19 19:44 ` Greg KH
2008-08-19 22:54 ` [PATCH] sched: disable hrtick implementation Justin Madru
2008-08-20 7:24 ` Peter Zijlstra
2008-08-20 18:43 ` Justin Madru
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