Re: [PATCH 1/3] RISC-V: Enable KVM in RV64 and RV32 defconfigs as a module

From: Palmer Dabbelt
Date: Wed Oct 27 2021 - 18:12:37 EST


On Tue, 26 Oct 2021 10:01:34 PDT (-0700), Anup Patel wrote:
Let's enable KVM RISC-V in RV64 and RV32 defconfigs as module
so that it always built along with the default kernel image.

Turning on KVM in the defconfigs seems like the right way to go, but this has more diff than just that. Not sure if that's all just savedefconfig stuff, I usually try and split out the non-functional changes from anything that makes a change.

If you checked then

Acked-by: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>

assuming you want to keep these together. LMK if you want me to take this on its own (I'll split it up if you do).


Signed-off-by: Anup Patel <anup.patel@xxxxxxx>
---
arch/riscv/configs/defconfig | 15 +++++++--------
arch/riscv/configs/rv32_defconfig | 8 ++++----
2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 4ebc80315f01..40506dfab5cf 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -2,6 +2,7 @@ CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_CGROUPS=y
@@ -13,12 +14,14 @@ CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_BPF_SYSCALL=y
+# CONFIG_SYSFS_SYSCALL is not set
+CONFIG_SOC_MICROCHIP_POLARFIRE=y
CONFIG_SOC_SIFIVE=y
CONFIG_SOC_VIRT=y
-CONFIG_SOC_MICROCHIP_POLARFIRE=y
CONFIG_SMP=y
CONFIG_HOTPLUG_CPU=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -68,14 +71,12 @@ CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_SPI=y
CONFIG_SPI_SIFIVE=y
+# CONFIG_PTP_1588_CLOCK is not set
CONFIG_GPIOLIB=y
CONFIG_GPIO_SIFIVE=y
-# CONFIG_PTP_1588_CLOCK is not set
-CONFIG_POWER_RESET=y
CONFIG_DRM=y
CONFIG_DRM_RADEON=y
CONFIG_DRM_VIRTIO_GPU=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_PLATFORM=y
@@ -85,10 +86,10 @@ CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_UAS=y
+CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_CADENCE=y
-CONFIG_MMC=y
CONFIG_MMC_SPI=y
CONFIG_RTC_CLASS=y
CONFIG_VIRTIO_PCI=y
@@ -139,5 +140,3 @@ CONFIG_RCU_EQS_DEBUG=y
# CONFIG_FTRACE is not set
# CONFIG_RUNTIME_TESTING_MENU is not set
CONFIG_MEMTEST=y
-# CONFIG_SYSFS_SYSCALL is not set
-CONFIG_EFI=y
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
index 434ef5b64599..44022e048efd 100644
--- a/arch/riscv/configs/rv32_defconfig
+++ b/arch/riscv/configs/rv32_defconfig
@@ -2,6 +2,7 @@ CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_CGROUPS=y
@@ -13,12 +14,14 @@ CONFIG_USER_NS=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
-CONFIG_BPF_SYSCALL=y
+# CONFIG_SYSFS_SYSCALL is not set
CONFIG_SOC_SIFIVE=y
CONFIG_SOC_VIRT=y
CONFIG_ARCH_RV32I=y
CONFIG_SMP=y
CONFIG_HOTPLUG_CPU=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
@@ -67,11 +70,9 @@ CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_SPI=y
CONFIG_SPI_SIFIVE=y
# CONFIG_PTP_1588_CLOCK is not set
-CONFIG_POWER_RESET=y
CONFIG_DRM=y
CONFIG_DRM_RADEON=y
CONFIG_DRM_VIRTIO_GPU=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_PLATFORM=y
@@ -130,4 +131,3 @@ CONFIG_RCU_EQS_DEBUG=y
# CONFIG_FTRACE is not set
# CONFIG_RUNTIME_TESTING_MENU is not set
CONFIG_MEMTEST=y
-# CONFIG_SYSFS_SYSCALL is not set