From: William Lee Irwin III <wli@holomorphy.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Ben Johnson <ben@blarg.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linear vs. logical addresses? how does cpu interpret kernel addrs?
Date: Tue, 16 Sep 2003 17:54:46 -0700 [thread overview]
Message-ID: <20030917005446.GW4306@holomorphy.com> (raw)
In-Reply-To: <1562370000.1063759683@[10.10.2.4]>
At some point in the past, someone had their attribution stripped from:
>> 1) When I am referencing a pointer in the kernel, is the value of that
>> pointer variable interpreted by the cpu as a logical or linear address?
>> 2) if I have two overlapping data/stack segments presently selected,
>> each with a different base, how does the cpu know which segment/base
>> address to use to get the linear address?
On Tue, Sep 16, 2003 at 05:48:04PM -0700, Martin J. Bligh wrote:
> IIRC, all the base segments are 0, so none of this matters ;-)
2.0.x used such things as the segment bits, hardware tasking, and so on.
-- wli
next prev parent reply other threads:[~2003-09-17 0:53 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-16 22:47 linear vs. logical addresses? how does cpu interpret kernel addrs? Ben Johnson
2003-09-17 0:48 ` Martin J. Bligh
2003-09-17 0:54 ` William Lee Irwin III [this message]
2003-09-17 0:58 ` Martin J. Bligh
2003-09-17 1:44 ` Ben Johnson
2003-09-17 1:55 ` William Lee Irwin III
2003-09-17 2:07 ` Ben Johnson
2003-09-17 2:10 ` William Lee Irwin III
2003-09-17 2:32 ` Ben Johnson
2003-09-17 2:10 ` Felipe Alfaro Solana
2003-09-17 11:39 ` Richard B. Johnson
2003-09-17 19:42 ` Ben Johnson
2003-09-17 20:05 ` Richard B. Johnson
2003-09-17 20:44 ` Jamie Lokier
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