From: Chris McDermott <lcm@us.ibm.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [RFC][PATCH] linux-2.6.3-rc2_ia64-cyclone_A0
Date: Fri, 13 Feb 2004 01:41:44 +0000 [thread overview]
Message-ID: <20040213014144.GA6683@us.ibm.com> (raw)
In-Reply-To: <1076556140.795.119.camel@cog.beaverton.ibm.com>
On Thu, Feb 12, 2004 at 17:16 -0800, David Mosberger wrote:
> >>>>> On Thu, 12 Feb 2004 17:05:50 -0800, john stultz <johnstul@us.ibm.com> said:
>
> John> Hmm. As cyclone is only enabled for x450/x455 systems, I'm not
> John> sure if that additional check is necessary, but I'll try to
> John> look into that.
>
> At the very least, verify that the SAL ITCdrift bit is turned on by
> the firmware. Otherwise, the lightweight handler of gettimeofday()
> will still use ITC-based interpolation.
>
> --david
> -
David,
The x450/x455 doesn't set/implement the SAL ITC drift bit. Could you point
us to where this is documentated? The latest SAL spec (Dec 2003) didn't
have reference to this flag being implemented in the Platform Features
Descriptor Entry in the SST.
thanks,
--
-chris
Chris McDermott
IBM Linux Technology Center (LTC)
xSeries Platform Enablement
next prev parent reply other threads:[~2004-02-13 1:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-12 3:22 [RFC][PATCH] linux-2.6.3-rc2_ia64-cyclone_A0 john stultz
2004-02-13 0:14 ` David Mosberger
2004-02-13 1:05 ` john stultz
2004-02-13 1:16 ` David Mosberger
2004-02-13 1:41 ` Chris McDermott [this message]
2004-02-13 2:07 ` David Mosberger
2004-02-13 2:29 ` john stultz
2004-02-13 7:09 ` David Mosberger
2004-02-13 18:55 ` Mallick, Asit K
2004-02-17 2:46 ` john stultz
2004-02-17 21:41 ` David Mosberger
2004-02-18 5:20 ` [RFC][PATCH] linux-2.6.3-rc2_ia64-cyclone_A1 john stultz
2004-02-18 6:42 ` possible time_interpolator bug? john stultz
2004-02-18 6:58 ` David Mosberger
2004-02-23 19:44 ` [PATCH] linux-2.6.3_time-interpolator-fix_A0 john stultz
2004-02-23 19:55 ` David Mosberger
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