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Date: Tue, 9 Feb 2021 11:16:20 +0530
From: Anup Patel <anup.patel@....com>
To: Palmer Dabbelt <palmer@...belt.com>,
Palmer Dabbelt <palmerdabbelt@...gle.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Albert Ou <aou@...s.berkeley.edu>
Cc: Atish Patra <atish.patra@....com>,
Alistair Francis <Alistair.Francis@....com>,
Anup Patel <anup@...infault.org>,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
Anup Patel <anup.patel@....com>
Subject: [PATCH] RISC-V: Enable CPU Hotplug in defconfigs
The CPU hotplug support has been tested on QEMU, Spike, and SiFive
Unleashed so let's enable it by default in RV32 and RV64 defconfigs.
Signed-off-by: Anup Patel <anup.patel@....com>
---
arch/riscv/configs/defconfig | 1 +
arch/riscv/configs/rv32_defconfig | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 8c3d1e451703..6c0625aa96c7 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -17,6 +17,7 @@ CONFIG_BPF_SYSCALL=y
CONFIG_SOC_SIFIVE=y
CONFIG_SOC_VIRT=y
CONFIG_SMP=y
+CONFIG_HOTPLUG_CPU=y
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
index 2c2cda6cc1c5..8dd02b842fef 100644
--- a/arch/riscv/configs/rv32_defconfig
+++ b/arch/riscv/configs/rv32_defconfig
@@ -18,6 +18,7 @@ CONFIG_SOC_SIFIVE=y
CONFIG_SOC_VIRT=y
CONFIG_ARCH_RV32I=y
CONFIG_SMP=y
+CONFIG_HOTPLUG_CPU=y
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
--
2.25.1
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