linux-kernel - [tip: sched/core] x86/sched: Remove SD_ASYM

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Date:   Wed, 10 May 2023 13:49:11 -0000
From:   "tip-bot2 for Ricardo Neri" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Zhang Rui <rui.zhang@...el.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: sched/core] x86/sched: Remove SD_ASYM_PACKING from the SMT domain flags

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     995998ebdebd09b85c28cc46068d8a0744113837
Gitweb:        https://git.kernel.org/tip/995998ebdebd09b85c28cc46068d8a0744113837
Author:        Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
AuthorDate:    Thu, 06 Apr 2023 13:31:46 -07:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 08 May 2023 10:58:37 +02:00

x86/sched: Remove SD_ASYM_PACKING from the SMT domain flags

There is no difference between any of the SMT siblings of a physical core.
Do not do asym_packing load balancing at this level.

Signed-off-by: Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Tested-by: Zhang Rui <rui.zhang@...el.com>
Link: https://lore.kernel.org/r/20230406203148.19182-11-ricardo.neri-calderon@linux.intel.com
---
 arch/x86/kernel/smpboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 352f0ce..a335abd 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -552,7 +552,7 @@ static int x86_core_flags(void)
 #ifdef CONFIG_SCHED_SMT
 static int x86_smt_flags(void)
 {
-	return cpu_smt_flags() | x86_sched_itmt_flags();
+	return cpu_smt_flags();
 }
 #endif
 #ifdef CONFIG_SCHED_CLUSTER