[IA64-SGI] SGI Altix cross partition functionality (2nd

[linux-2.6-omap-h63xx.git] / arch / ia64 / Kconfig

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index cad8346def1dc01a59e8a733b6bf9fd0df9cb609..ce13ad689d191701698d9fa3dbd301c6fdb4d574 100644 (file)
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -217,6 +217,16 @@ config IA64_SGI_SN_SIM
          If you are compiling a kernel that will run under SGI's IA-64
          simulator (Medusa) then say Y, otherwise say N.
 
+config IA64_SGI_SN_XP
+       tristate "Support communication between SGI SSIs"
+       depends on MSPEC
+       help
+         An SGI machine can be divided into multiple Single System
+         Images which act independently of each other and have
+         hardware based memory protection from the others.  Enabling
+         this feature will allow for direct communication between SSIs
+         based on a network adapter and DMA messaging.
+
 config FORCE_MAX_ZONEORDER
        int
        default "18"