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| author | Jack Steiner <steiner@sgi.com> | 2010-09-10 10:08:08 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-10 17:15:49 +0200 |
| commit | 36ac4b987bea9a95217e1af552252f275ca7fc44 (patch) | |
| tree | 9dbee9d347cd58bf776be39c98f83d8079fa8f6d /arch/x86 | |
| parent | df423dc7f2a801b9a45d7c501a8eb5c529455ea1 (diff) | |
| download | linux-exynos-36ac4b987bea9a95217e1af552252f275ca7fc44.tar.gz linux-exynos-36ac4b987bea9a95217e1af552252f275ca7fc44.tar.bz2 linux-exynos-36ac4b987bea9a95217e1af552252f275ca7fc44.zip | |
x86, UV: Fix initialization of max_pnode
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>
Diffstat (limited to 'arch/x86')
| -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 7b598b84c902..f744f54cb248 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -698,9 +698,11 @@ 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++; } } @@ -738,7 +740,6 @@ 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 */ @@ -750,7 +751,6 @@ 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); |