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| author | David S. Miller <davem@davemloft.net> | 2017-02-16 19:34:01 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-16 19:34:01 -0500 |
| commit | 3f64116a838e6c3468f9d5eed7f1f87cf3a2c3eb (patch) | |
| tree | 388024d2ddbdcb9991ef4b472dfac31e425b807e /arch/x86/kernel/smpboot.c | |
| parent | f3caf8618bce7e86c6f4f86785dd004c71b63a2d (diff) | |
| parent | 4695daefba8df8a11fa0b0edd595eedae9ea59ae (diff) | |
| download | linux-next-3f64116a838e6c3468f9d5eed7f1f87cf3a2c3eb.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 46732dc3b73c..99b920d0e516 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -433,9 +433,15 @@ static bool match_smt(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) int cpu1 = c->cpu_index, cpu2 = o->cpu_index; if (c->phys_proc_id == o->phys_proc_id && - per_cpu(cpu_llc_id, cpu1) == per_cpu(cpu_llc_id, cpu2) && - c->cpu_core_id == o->cpu_core_id) - return topology_sane(c, o, "smt"); + per_cpu(cpu_llc_id, cpu1) == per_cpu(cpu_llc_id, cpu2)) { + if (c->cpu_core_id == o->cpu_core_id) + return topology_sane(c, o, "smt"); + + if ((c->cu_id != 0xff) && + (o->cu_id != 0xff) && + (c->cu_id == o->cu_id)) + return topology_sane(c, o, "smt"); + } } else if (c->phys_proc_id == o->phys_proc_id && c->cpu_core_id == o->cpu_core_id) { |