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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-21 10:01:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-21 10:01:03 -0700 |
| commit | d20dc4d5231592b25a0d77c45ebb7c05204dfb3a (patch) | |
| tree | 2952b4ff16c6884aff5ab879d7c4a778e7f008f2 /arch/x86/kernel/smpboot.c | |
| parent | d76c8420c3cf8e468901b0bd58306637335c98ea (diff) | |
| parent | 7a6c6547825a2324faa76cff856db11d78de075e (diff) | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, numa: Fix cpu nodemasks for NUMA emulation and CONFIG_DEBUG_PER_CPU_MAPS
Revert "x86, NUMA: Fix fakenuma boot failure"
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8ed8908cc9f..c2871d3c71b 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -312,26 +312,6 @@ void __cpuinit smp_store_cpu_info(int id) identify_secondary_cpu(c); } -static void __cpuinit check_cpu_siblings_on_same_node(int cpu1, int cpu2) -{ - int node1 = early_cpu_to_node(cpu1); - int node2 = early_cpu_to_node(cpu2); - - /* - * Our CPU scheduler assumes all logical cpus in the same physical cpu - * share the same node. But, buggy ACPI or NUMA emulation might assign - * them to different node. Fix it. - */ - if (node1 != node2) { - pr_warning("CPU %d in node %d and CPU %d in node %d are in the same physical CPU. forcing same node %d\n", - cpu1, node1, cpu2, node2, node2); - - numa_remove_cpu(cpu1); - numa_set_node(cpu1, node2); - numa_add_cpu(cpu1); - } -} - static void __cpuinit link_thread_siblings(int cpu1, int cpu2) { cpumask_set_cpu(cpu1, cpu_sibling_mask(cpu2)); @@ -340,7 +320,6 @@ static void __cpuinit link_thread_siblings(int cpu1, int cpu2) cpumask_set_cpu(cpu2, cpu_core_mask(cpu1)); cpumask_set_cpu(cpu1, cpu_llc_shared_mask(cpu2)); cpumask_set_cpu(cpu2, cpu_llc_shared_mask(cpu1)); - check_cpu_siblings_on_same_node(cpu1, cpu2); } @@ -382,12 +361,10 @@ void __cpuinit set_cpu_sibling_map(int cpu) per_cpu(cpu_llc_id, cpu) == per_cpu(cpu_llc_id, i)) { cpumask_set_cpu(i, cpu_llc_shared_mask(cpu)); cpumask_set_cpu(cpu, cpu_llc_shared_mask(i)); - check_cpu_siblings_on_same_node(cpu, i); } if (c->phys_proc_id == cpu_data(i).phys_proc_id) { cpumask_set_cpu(i, cpu_core_mask(cpu)); cpumask_set_cpu(cpu, cpu_core_mask(i)); - check_cpu_siblings_on_same_node(cpu, i); /* * Does this new cpu bringup a new core? */ |