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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 21:34:42 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 21:34:42 +0100
commit8e22e1b3499a446df48c2b26667ca36c55bf864c (patch)
tree5329f98b3eb3c95a9dcbab0fa4f9b6e62f0e788d /arch/x86/kernel/smpboot.c
parent00d3c14f14d51babd8aeafd5fa734ccf04f5ca3d (diff)
parent64a577196d66b44e37384bc5c4d78c61f59d5b2a (diff)
Merge airlied/drm-next into drm-misc-next
Backmerge the main pull request to sync up with all the newly landed drivers. Otherwise we'll have chaos even before 4.12 started in earnest. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c12
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) {