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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
f456acae RB |
2 | choice |
3 | prompt "Node addressing mode" | |
4 | depends on SGI_IP27 | |
5 | default SGI_SN_M_MODE | |
6 | ||
7 | config SGI_SN_M_MODE | |
8 | bool "IP27 M-Mode" | |
9 | help | |
10 | The nodes of Origin, Onyx, Fuel and Tezro systems can be configured | |
11 | in either N-Modes which allows for more nodes or M-Mode which allows | |
12 | for more memory. Your hardware is almost certainly running in | |
13 | M-Mode, so choose M-mode here. | |
14 | ||
aa9772e3 | 15 | config SGI_SN_N_MODE |
ae6aafe3 | 16 | bool "IP27 N-Mode" |
ae6aafe3 | 17 | help |
f456acae RB |
18 | The nodes of Origin, Onyx, Fuel and Tezro systems can be configured |
19 | in either N-Modes which allows for more nodes or M-Mode which allows | |
20 | for more memory. Your hardware is almost certainly running in | |
21 | M-Mode, so choose M-mode here. | |
22 | ||
23 | endchoice | |
ae6aafe3 | 24 | |
ae6aafe3 RB |
25 | config MAPPED_KERNEL |
26 | bool "Mapped kernel support" | |
27 | depends on SGI_IP27 | |
28 | help | |
29 | Change the way a Linux kernel is loaded into memory on a MIPS64 | |
e73ea273 | 30 | machine. This is required in order to support text replication on |
ae6aafe3 RB |
31 | NUMA. If you need to understand it, read the source code. |
32 | ||
33 | config REPLICATE_KTEXT | |
34 | bool "Kernel text replication support" | |
35 | depends on SGI_IP27 | |
e73ea273 | 36 | select MAPPED_KERNEL |
ae6aafe3 RB |
37 | help |
38 | Say Y here to enable replicating the kernel text across multiple | |
39 | nodes in a NUMA cluster. This trades memory for speed. | |
40 | ||
41 | config REPLICATE_EXHANDLERS | |
42 | bool "Exception handler replication support" | |
43 | depends on SGI_IP27 | |
44 | help | |
45 | Say Y here to enable replicating the kernel exception handlers | |
46 | across multiple nodes in a NUMA cluster. This trades memory for | |
47 | speed. |