Messages in this thread | | | Date | Tue, 16 Sep 2003 17:58:08 -0700 | From | "Martin J. Bligh" <> | Subject | Re: linear vs. logical addresses? how does cpu interpret kernel addrs? |
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> 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.
And happily is now supremely irrelevant ;-)
BTW, to the original question ... chapter 2 of "Understanding the Linux Kernel" had a good explanation of all this.
M.
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