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| author | Cliff Wickman <cpw@sgi.com> | 2011-03-09 08:15:57 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-09 16:36:16 +0100 |
| commit | 5471262290a6695b3300903267e0a2584f721000 (patch) | |
| tree | 242faf98b150aa56f12d9c5c9bcf8f153df15eff /arch/x86/platform | |
| parent | 3b28cf32cc32594710590685ee478f697ed4f328 (diff) | |
| download | kernel_samsung_aries-5471262290a6695b3300903267e0a2584f721000.zip kernel_samsung_aries-5471262290a6695b3300903267e0a2584f721000.tar.gz kernel_samsung_aries-5471262290a6695b3300903267e0a2584f721000.tar.bz2 | |
x86, UV: Initialize the broadcast assist unit base destination node id properly
The BAU's initialization of the broadcast description header is
lacking the coherence domain (high bits) in the nasid. This
causes a catastrophic system failure when running on a system
with multiple coherence domains.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
LKML-Reference: <E1PxKBB-0005F0-3U@eag09.americas.sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/uv/tlb_uv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index df58e9c..a7b38d3 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1364,11 +1364,11 @@ uv_activation_descriptor_init(int node, int pnode) memset(bd2, 0, sizeof(struct bau_desc)); bd2->header.sw_ack_flag = 1; /* - * base_dest_nodeid is the nasid (pnode<<1) of the first uvhub + * base_dest_nodeid is the nasid of the first uvhub * in the partition. The bit map will indicate uvhub numbers, * which are 0-N in a partition. Pnodes are unique system-wide. */ - bd2->header.base_dest_nodeid = uv_partition_base_pnode << 1; + bd2->header.base_dest_nodeid = UV_PNODE_TO_NASID(uv_partition_base_pnode); bd2->header.dest_subnodeid = 0x10; /* the LB */ bd2->header.command = UV_NET_ENDPOINT_INTD; bd2->header.int_both = 1; |