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1da177e4 LT |
1 | Information about Linux/PPC SMP mode |
2 | ===================================================================== | |
3 | ||
4 | This document and the related code was written by me | |
5 | (Cort Dougan, cort@fsmlabs.com) please email me if you have questions, | |
6 | comments or corrections. | |
7 | ||
8 | Last Change: 3.31.99 | |
9 | ||
10 | If you want to help by writing code or testing different hardware please | |
11 | email me! | |
12 | ||
13 | 1. State of Supported Hardware | |
14 | ||
15 | PowerSurge Architecture - tested on UMAX s900, Apple 9600 | |
16 | The second processor on this machine boots up just fine and | |
17 | enters its idle loop. Hopefully a completely working SMP kernel | |
18 | on this machine will be done shortly. | |
19 | ||
20 | The code makes the assumption of only two processors. The changes | |
21 | necessary to work with any number would not be overly difficult but | |
22 | I don't have any machines with >2 processors so it's not high on my | |
23 | list of priorities. If anyone else would like do to the work email | |
24 | me and I can point out the places that need changed. If you have >2 | |
25 | processors and don't want to add support yourself let me know and I | |
26 | can take a look into it. | |
27 | ||
28 | BeBox | |
29 | BeBox support hasn't been added to the 2.1.X kernels from 2.0.X | |
30 | but work is being done and SMP support for BeBox is in the works. | |
31 | ||
32 | CHRP | |
33 | CHRP SMP works and is fairly solid. It's been tested on the IBM F50 | |
34 | with 4 processors for quite some time now. |