From: Peter Zijlstra <peterz@infradead.org>
Date: Sat, 8 Jul 2023 12:43:45 +0000 (+0200)
Subject: x86/sched: Enable cluster scheduling on Hybrid
X-Git-Tag: v6.6.7~2105^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=17953249bf02448efaed75b097aa2e9086ca7685;p=platform%2Fkernel%2Flinux-starfive.git

x86/sched: Enable cluster scheduling on Hybrid

With the SMT vs non-SMT balancing issues sorted, also enable the
cluster domain for Hybrid machines.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index e1aa2cd..4c31447 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -632,14 +632,9 @@ static void __init build_sched_topology(void)
 	};
 #endif
 #ifdef CONFIG_SCHED_CLUSTER
-	/*
-	 * For now, skip the cluster domain on Hybrid.
-	 */
-	if (!cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) {
-		x86_topology[i++] = (struct sched_domain_topology_level){
-			cpu_clustergroup_mask, x86_cluster_flags, SD_INIT_NAME(CLS)
-		};
-	}
+	x86_topology[i++] = (struct sched_domain_topology_level){
+		cpu_clustergroup_mask, x86_cluster_flags, SD_INIT_NAME(CLS)
+	};
 #endif
 #ifdef CONFIG_SCHED_MC
 	x86_topology[i++] = (struct sched_domain_topology_level){