diff options
| author | Jack Steiner <steiner@sgi.com> | 2010-09-10 10:08:08 -0500 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2011-04-17 16:15:56 -0400 |
| commit | 6868d427a8b9de316d824033559213c946e403fb (patch) | |
| tree | 7f59eee56e3caca596676405086d185a6f6def6a /arch | |
| parent | 56e79d65d610565fe9cbb113f11c0850b85e7455 (diff) | |
x86, UV: Fix initialization of max_pnode
commit 36ac4b987bea9a95217e1af552252f275ca7fc44 upstream.
Fix calculation of "max_pnode" for systems where the the highest
blade has neither cpus or memory. (And, yes, although rare this
does occur).
Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20100910150808.GA19802@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index e46f98f36e31..25a1b3ccae9f 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -694,9 +694,11 @@ void __init uv_system_init(void) for (j = 0; j < 64; j++) { if (!test_bit(j, &present)) continue; - uv_blade_info[blade].pnode = (i * 64 + j); + pnode = (i * 64 + j); + uv_blade_info[blade].pnode = pnode; uv_blade_info[blade].nr_possible_cpus = 0; uv_blade_info[blade].nr_online_cpus = 0; + max_pnode = max(pnode, max_pnode); blade++; } } @@ -734,7 +736,6 @@ void __init uv_system_init(void) uv_cpu_hub_info(cpu)->scir.offset = uv_scir_offset(apicid); uv_node_to_blade[nid] = blade; uv_cpu_to_blade[cpu] = blade; - max_pnode = max(pnode, max_pnode); } /* Add blade/pnode info for nodes without cpus */ @@ -746,7 +747,6 @@ void __init uv_system_init(void) pnode = (paddr >> m_val) & pnode_mask; blade = boot_pnode_to_blade(pnode); uv_node_to_blade[nid] = blade; - max_pnode = max(pnode, max_pnode); } map_gru_high(max_pnode); |