blob: 4b2ea282b9c758993d45e4b3b17576181040a1ab [file] [log] [blame]
Ralf Baechlef456aca2006-06-14 08:10:35 +01001choice
2 prompt "Node addressing mode"
3 depends on SGI_IP27
4 default SGI_SN_M_MODE
5
6config SGI_SN_M_MODE
7 bool "IP27 M-Mode"
8 help
9 The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
10 in either N-Modes which allows for more nodes or M-Mode which allows
11 for more memory. Your hardware is almost certainly running in
12 M-Mode, so choose M-mode here.
13
Ralf Baechleaa9772e2006-06-12 00:55:14 +010014config SGI_SN_N_MODE
Ralf Baechleae6aafe2005-02-06 21:55:49 +000015 bool "IP27 N-Mode"
Ralf Baechlef456aca2006-06-14 08:10:35 +010016 depends on EXPERIMENTAL
Ralf Baechleae6aafe2005-02-06 21:55:49 +000017 help
Ralf Baechlef456aca2006-06-14 08:10:35 +010018 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
23endchoice
Ralf Baechleae6aafe2005-02-06 21:55:49 +000024
Ralf Baechleae6aafe2005-02-06 21:55:49 +000025config 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
Ralf Baechlee73ea272006-06-04 11:51:46 +010030 machine. This is required in order to support text replication on
Ralf Baechleae6aafe2005-02-06 21:55:49 +000031 NUMA. If you need to understand it, read the source code.
32
33config REPLICATE_KTEXT
34 bool "Kernel text replication support"
35 depends on SGI_IP27
Ralf Baechlee73ea272006-06-04 11:51:46 +010036 select MAPPED_KERNEL
Ralf Baechleae6aafe2005-02-06 21:55:49 +000037 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
41config 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.