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From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: ia64 printk_clock()
Date: Thu, 02 Feb 2006 22:52:39 +0000	[thread overview]
Message-ID: <200602022252.k12Mqdg21958@unix-os.sc.intel.com> (raw)
In-Reply-To: <20060202204422.GA27082@sgi.com>

Luck, Tony wrote on Thursday, February 02, 2006 2:29 PM
> Maybe PAL/SAL/EFI leaves some mapping in the TC for 0xffffffffffff0000
> so I don't die when reading per-cpu area?

I took a look via hardware debugger, the alt-dtlb was taken and kernel
inserts an identity mapping.  It appears that tiger platform has un-
advertised memory at the top of physical address space.

- Ken


  parent reply	other threads:[~2006-02-02 22:52 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-02 20:44 ia64 printk_clock() Jack Steiner
2006-02-02 21:22 ` Dean Roe
2006-02-02 21:46 ` Luck, Tony
2006-02-02 21:50 ` Jack Steiner
2006-02-02 22:29 ` Luck, Tony
2006-02-02 22:52 ` Chen, Kenneth W [this message]
2006-02-03 17:43 ` Chen, Kenneth W
2006-02-03 18:04 ` Luck, Tony
2006-02-03 18:30 ` Chen, Kenneth W
2006-02-03 18:43 ` Luck, Tony
2006-02-03 18:55 ` Chen, Kenneth W
2006-02-04  0:16 ` Keith Owens
2006-02-04  0:28 ` Chen, Kenneth W
2006-02-04  0:32 ` Luck, Tony
2006-02-04  0:36 ` Keith Owens
2006-02-06 18:14 ` Luck, Tony
2006-02-06 18:34 ` Chen, Kenneth W
2006-02-06 20:40 ` Magenheimer, Dan (HP Labs Fort Collins)
2006-02-06 21:37 ` Chen, Kenneth W
2006-02-07 11:11 ` Jes Sorensen
2006-02-08  0:05 ` Luck, Tony
2006-02-08  6:29 ` Jes Sorensen
2006-02-08 18:18 ` Luck, Tony

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