[PATCH] mspec driver

Implement the special memory driver (mspec) based on the do_no_pfn
approach.  The driver is currently used only on SN2 hardware with special
fetchop support but could be beneficial on other architectures using the
uncached mode.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 52ea94b891f5..6a3d3af45c59 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -439,6 +439,14 @@ config SGI_MBCS
          If you have an SGI Altix with an attached SABrick
          say Y or M here, otherwise say N.
 
+config MSPEC
+        tristate "Memory special operations driver"
+        depends on IA64
+        help
+          If you have an ia64 and you want to enable memory special
+          operations support (formerly known as fetchop), say Y here,
+          otherwise say N.
+
 source "drivers/serial/Kconfig"
 
 config UNIX98_PTYS