From: Thomas Gleixner <tglx@linutronix.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: john stultz <johnstul@us.ibm.com>,
lkml <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Andi Kleen <ak@muc.de>
Subject: Re: [PATCH -mm] fix jiffies clocksource inittime
Date: Wed, 04 Apr 2007 22:46:29 +0200 [thread overview]
Message-ID: <1175719589.28263.315.camel@localhost.localdomain> (raw)
In-Reply-To: <20070404134310.12ad3ab8.akpm@linux-foundation.org>
On Wed, 2007-04-04 at 13:43 -0700, Andrew Morton wrote:
> >
> > -module_init(init_jiffies_clocksource);
> > +core_initcall(init_jiffies_clocksource);
>
> Do you think this is needed in 2.6.21?
Yes, please.
> If so: worrisome. Startup ordering issues are fragile and tricky. Time
> management is fragile and tricky. The combination of the two doesn't get
> any better ;)
>
> An option would be to test it in 2.6.22-rcX for a while, then backport to
> 2.6.21.x.
The jiffies clocksource is completely uncritical and it's less worrisome
than having the TSC early as the time reference.
tglx
next prev parent reply other threads:[~2007-04-04 20:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 19:50 [PATCH -mm] fix jiffies clocksource inittime john stultz
2007-04-04 20:43 ` Andrew Morton
2007-04-04 20:46 ` Thomas Gleixner [this message]
2007-04-04 20:53 ` john stultz
2007-04-04 21:04 ` Andrew Morton
2007-04-04 21:23 ` Ingo Molnar
2007-04-04 21:32 ` Andrew Morton
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