linux-kernel - [PATCH] arm64: make SCHED

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Message-Id: <1650006268-3782-1-git-send-email-wangqing@vivo.com>
Date:   Fri, 15 Apr 2022 00:04:28 -0700
From:   Qing Wang <wangqing@...o.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     vincent.guittot@...aro.org, peterz@...radead.org,
        wangqing <11112896@...tel.com>
Subject: [PATCH] arm64: make SCHED_CLUSTER depend on ACPI

From: wangqing <11112896@...tel.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@...tel.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