linux-kernel - [PATCH v5 2/4] x86/smpboot: remove redundant CONFIG_SCHED

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Message-ID: <20250710105715.66594-3-me@linux.beauty>
Date: Thu, 10 Jul 2025 18:57:08 +0800
From: Li Chen <me@...ux.beauty>
To: "Thomas Gleixner" <tglx@...utronix.de>,
	"Ingo Molnar" <mingo@...hat.com>,
	"Borislav Petkov" <bp@...en8.de>,
	"Dave Hansen" <dave.hansen@...ux.intel.com>,
	x86@...nel.org,
	"H . Peter Anvin" <hpa@...or.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	"Peter Zijlstra" <peterz@...radead.org>,
	"Sohil Mehta" <sohil.mehta@...el.com>,
	"Brian Gerst" <brgerst@...il.com>,
	"Patryk Wlazlyn" <patryk.wlazlyn@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Li Chen <chenl311@...natelecom.cn>,
	K Prateek Nayak <kprateek.nayak@....com>
Subject: [PATCH v5 2/4] x86/smpboot: remove redundant CONFIG_SCHED_SMT

From: Li Chen <chenl311@...natelecom.cn>

CONFIG_SCHED_SMT is default y if SMP is enabled,
so let's simply drop CONFIG_SCHED_SMT.

Signed-off-by: Li Chen <chenl311@...natelecom.cn>
Suggested-by: Thomas Gleixner <tglx@...utronix.de>
Tested-by: K Prateek Nayak <kprateek.nayak@....com>
---
 arch/x86/kernel/smpboot.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 445127df2cb19..3d0f5737a157c 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -484,9 +484,7 @@ static void __init build_sched_topology(void)
 {
 	int i = 0;
 
-#ifdef CONFIG_SCHED_SMT
 	x86_topology[i++] = SDTL_INIT(cpu_smt_mask, cpu_smt_flags, SMT);
-#endif
 #ifdef CONFIG_SCHED_CLUSTER
 	x86_topology[i++] = SDTL_INIT(cpu_clustergroup_mask, x86_cluster_flags, CLS);
 #endif
-- 
2.50.0