From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@osdl.org>, Len Brown <len.brown@intel.com>,
jbohac@suse.cz, jikos@suse.cz,
Linux-pm mailing list <linux-pm@lists.osdl.org>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: tsc breaks atkbd suspend
Date: Tue, 19 Feb 2008 17:51:01 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.1.00.0802191748110.7583@apollo.tec.linutronix.de> (raw)
In-Reply-To: <20080219140552.GC9965@elte.hu>
On Tue, 19 Feb 2008, Ingo Molnar wrote:
> * Pavel Machek <pavel@ucw.cz> wrote:
>
> > TSC is used even on machines when CONFIG_X86_TSC is not set (X86_TSC
> > means _require_ TSC), but it is not properly disabled when it is
> > unusable, because acpi code understood the config switch as "may use
> > TSC".
> >
> > This actually fixes suspend problems on my x60.
>
> ah! This makes tons of sense. I've applied your patch - but i guess it
> should go via the ACPI tree.
Right. The breakage was introduced there when IA64 switched to
GENERIC_TIME and the X86_TSC dependency was added.
Thanks,
tglx
next prev parent reply other threads:[~2008-02-19 16:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080218133852.GA1573@elf.ucw.cz>
[not found] ` <alpine.LFD.1.00.0802181515070.7583@apollo.tec.linutronix.de>
[not found] ` <20080218143757.GB1960@elf.ucw.cz>
[not found] ` <alpine.LFD.1.00.0802181545090.7583@apollo.tec.linutronix.de>
2008-02-19 10:00 ` tsc breaks atkbd suspend Pavel Machek
2008-02-19 14:05 ` Ingo Molnar
2008-02-19 16:51 ` Thomas Gleixner [this message]
2008-02-20 0:17 ` Len Brown
2008-02-20 6:51 ` Thomas Gleixner
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