gru: function to generate chipset IPI values
authorJack Steiner <steiner@sgi.com>
Wed, 16 Dec 2009 00:48:20 +0000 (16:48 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 16 Dec 2009 15:20:17 +0000 (07:20 -0800)
commit56abcf24ff993291b20efd6e3402cd3d12f5cee2
tree14dab85ca1cc5fd1262821893d9bdc3b0812e714
parente5ae6e82bf08bea2a1ae0fcc0d6e1656264c2d23
gru: function to generate chipset IPI values

Create a function to generate the value that is written to the UV hub MMR
to cause an IPI interrupt to be sent.  The function will be used in the
GRU message queue error recovery code that sends IPIs to nodes in remote
partitions.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/include/asm/uv/uv_hub.h