xref: /OK3568_Linux_fs/kernel/arch/mips/sgi-ip27/Kconfig (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyunchoice
3*4882a593Smuzhiyun	prompt "Node addressing mode"
4*4882a593Smuzhiyun	depends on SGI_IP27
5*4882a593Smuzhiyun	default SGI_SN_M_MODE
6*4882a593Smuzhiyun
7*4882a593Smuzhiyunconfig SGI_SN_M_MODE
8*4882a593Smuzhiyun	bool "IP27 M-Mode"
9*4882a593Smuzhiyun	help
10*4882a593Smuzhiyun	  The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
11*4882a593Smuzhiyun	  in either N-Modes which allows for more nodes or M-Mode which allows
12*4882a593Smuzhiyun	  for more memory.  Your hardware is almost certainly running in
13*4882a593Smuzhiyun	  M-Mode, so choose M-mode here.
14*4882a593Smuzhiyun
15*4882a593Smuzhiyunconfig SGI_SN_N_MODE
16*4882a593Smuzhiyun	bool "IP27 N-Mode"
17*4882a593Smuzhiyun	help
18*4882a593Smuzhiyun	  The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
19*4882a593Smuzhiyun	  in either N-Modes which allows for more nodes or M-Mode which allows
20*4882a593Smuzhiyun	  for more memory.  Your hardware is almost certainly running in
21*4882a593Smuzhiyun	  M-Mode, so choose M-mode here.
22*4882a593Smuzhiyun
23*4882a593Smuzhiyunendchoice
24*4882a593Smuzhiyun
25*4882a593Smuzhiyunconfig MAPPED_KERNEL
26*4882a593Smuzhiyun	bool "Mapped kernel support"
27*4882a593Smuzhiyun	depends on SGI_IP27
28*4882a593Smuzhiyun	help
29*4882a593Smuzhiyun	  Change the way a Linux kernel is loaded into memory on a MIPS64
30*4882a593Smuzhiyun	  machine.  This is required in order to support text replication on
31*4882a593Smuzhiyun	  NUMA.  If you need to understand it, read the source code.
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunconfig REPLICATE_KTEXT
34*4882a593Smuzhiyun	bool "Kernel text replication support"
35*4882a593Smuzhiyun	depends on SGI_IP27
36*4882a593Smuzhiyun	select MAPPED_KERNEL
37*4882a593Smuzhiyun	help
38*4882a593Smuzhiyun	  Say Y here to enable replicating the kernel text across multiple
39*4882a593Smuzhiyun	  nodes in a NUMA cluster.  This trades memory for speed.
40*4882a593Smuzhiyun
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