| Jon Mason | fce8a7b | 2012-11-16 19:27:12 -0700 | [diff] [blame] | 1 | config NTB |
| 2 | tristate "Intel Non-Transparent Bridge support" |
| 3 | depends on PCI |
| Jon Mason | 719234f | 2013-01-21 15:28:51 -0700 | [diff] [blame] | 4 | depends on X86_64 |
| Jon Mason | fce8a7b | 2012-11-16 19:27:12 -0700 | [diff] [blame] | 5 | help |
| 6 | The PCI-E Non-transparent bridge hardware is a point-to-point PCI-E bus |
| 7 | connecting 2 systems. When configured, writes to the device's PCI |
| 8 | mapped memory will be mirrored to a buffer on the remote system. The |
| 9 | ntb Linux driver uses this point-to-point communication as a method to |
| 10 | transfer data from one system to the other. |
| 11 | |
| 12 | If unsure, say N. |
| 13 | |