linux-kernel - [PATCH v2] RISC-V: Enable profiling by default

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Message-Id: <20220324053020.606637-1-apatel@ventanamicro.com>
Date:   Thu, 24 Mar 2022 11:00:20 +0530
From:   Anup Patel <apatel@...tanamicro.com>
To:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>
Cc:     Atish Patra <atishp@...shpatra.org>,
        Alistair Francis <Alistair.Francis@....com>,
        Anup Patel <anup@...infault.org>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Anup Patel <apatel@...tanamicro.com>
Subject: [PATCH v2] RISC-V: Enable profiling by default

Let us enable profiling by default in RV32 and RV64 defconfigs so
that we can use RISC-V PMU drivers on various RISC-V platforms.

Signed-off-by: Anup Patel <apatel@...tanamicro.com>
---
Changes since v1:
 - Enable CONFIG_PROFILING instead of CONFIG_PREF_EVENTS in defconfigs
---
 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 f120fcc43d0a..bfebee46784c 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -15,6 +15,7 @@ CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_EXPERT=y
 # CONFIG_SYSFS_SYSCALL is not set
+CONFIG_PROFILING=y
 CONFIG_SOC_MICROCHIP_POLARFIRE=y
 CONFIG_SOC_SIFIVE=y
 CONFIG_SOC_VIRT=y
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
index 8b56a7f1eb06..2b68b1bd2559 100644
--- a/arch/riscv/configs/rv32_defconfig
+++ b/arch/riscv/configs/rv32_defconfig
@@ -15,6 +15,7 @@ CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_EXPERT=y
 # CONFIG_SYSFS_SYSCALL is not set
+CONFIG_PROFILING=y
 CONFIG_SOC_SIFIVE=y
 CONFIG_SOC_VIRT=y
 CONFIG_ARCH_RV32I=y
-- 
2.25.1