x86, UV: set full apicid in uv_hub_send_ipi

The uv_hub_send_ipi() function needs to set the full apicid in the
UVH_IPI_INT mmr.

Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 5 deletions

diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 6adb5e6f4d92..89b84e004f04 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -114,16 +114,15 @@ int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip)
 
 static void uv_send_IPI_one(int cpu, int vector)
 {
-        unsigned long val, apicid, lapicid;
+        unsigned long val, apicid;
         int pnode;
 
         apicid = per_cpu(x86_cpu_to_apicid, cpu);
-        lapicid = apicid & 0x3f; /* ZZZ macro needed */
         pnode = uv_apicid_to_pnode(apicid);
 
-        val = (     1UL << UVH_IPI_INT_SEND_SHFT    ) |
-              ( lapicid << UVH_IPI_INT_APIC_ID_SHFT ) |
-              (  vector << UVH_IPI_INT_VECTOR_SHFT  );
+        val = (1UL << UVH_IPI_INT_SEND_SHFT) |
+              (apicid << UVH_IPI_INT_APIC_ID_SHFT) |
+              (vector << UVH_IPI_INT_VECTOR_SHFT);
 
         uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
 }