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So, SCHED_CLUSTER depends on ACPI actually. Signed-off-by: wangqing <11112896@bbktel.com> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 25b33feed800..edbe035cb0e3 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1199,6 +1199,7 @@ config SCHED_MC config SCHED_CLUSTER bool "Cluster scheduler support" + depends on ACPI help Cluster scheduler support improves the CPU scheduler's decision making when dealing with machines that have clusters of CPUs. -- 2.27.0.windows.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F35C9C433EF for ; Fri, 15 Apr 2022 07:06:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: wangqing <11112896@bbktel.com> cls is made up of sd through cluster_sibling, which is set by cluster_id, cluster_id is only provided by ACPI, DT just provide package_id. So, SCHED_CLUSTER depends on ACPI actually. Signed-off-by: wangqing <11112896@bbktel.com> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 25b33feed800..edbe035cb0e3 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1199,6 +1199,7 @@ config SCHED_MC config SCHED_CLUSTER bool "Cluster scheduler support" + depends on ACPI help Cluster scheduler support improves the CPU scheduler's decision making when dealing with machines that have clusters of CPUs. -- 2.27.0.windows.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel