linux-kernel - [PATCH v4 2/4] x86/smpboot: remove redundant CONFIG_SCHED

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Message-ID: <20250706030636.397197-3-me@linux.beauty>
Date: Sun,  6 Jul 2025 11:06:30 +0800
From: Li Chen <me@...ux.beauty>
To: Li Chen  <me@...ux.beauty>," 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,
	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>,
	Li Chen <chenl311@...natelecom.cn>,
	Brian Gerst <brgerst@...il.com>,
	Patryk Wlazlyn <patryk.wlazlyn@...ux.intel.com>,
	K Prateek Nayak <kprateek.nayak@....com>
Subject: [PATCH v4 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>
---
 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 55f09946c791b..6e36306632792 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(cpu_smt_mask, cpu_smt_flags, SMT);
-#endif
 #ifdef CONFIG_SCHED_CLUSTER
 	x86_topology[i++] = SDTL(cpu_clustergroup_mask, x86_cluster_flags, CLS);
 #endif
-- 
2.49.0