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authorCliff Wickman <cpw@sgi.com>2009-08-14 13:56:37 -0500
committerIngo Molnar <mingo@elte.hu>2009-08-15 11:58:02 +0200
commit3ef12c3c97603bad405d30c989718cc9405e2759 (patch)
treed971f2f26d36cf4504fe8178312cbb44ad3117d4 /arch/x86/kernel/tlb_uv.c
parent64f1607ffbbc772685733ea63e6f7f4183df1b16 (diff)
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x86: Fix UV BAU destination subnode id
The SGI UV Broadcast Assist Unit is used to send TLB shootdown messages to remote nodes of the system. The header of the message must contain the subnode id of the block in the receiving hub that handles such messages. It should always be 0x10, the id of the "LB" block. It had previously been documented as a "must be zero" field. Signed-off-by: Cliff Wickman <cpw@sgi.com> Acked-by: Jack Steiner <steiner@sgi.com> LKML-Reference: <E1Mc1x7-0005Ce-6t@eag09.americas.sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/tlb_uv.c')
-rw-r--r--arch/x86/kernel/tlb_uv.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index 8ccabb8..77b9689 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -744,6 +744,7 @@ uv_activation_descriptor_init(int node, int pnode)
* note that base_dest_nodeid is actually a nasid.
*/
ad2->header.base_dest_nodeid = uv_partition_base_pnode << 1;
+ ad2->header.dest_subnodeid = 0x10; /* the LB */
ad2->header.command = UV_NET_ENDPOINT_INTD;
ad2->header.int_both = 1;
/*