[PATCH] RISC-V: Enable CPU Hotplug in defconfigs

Anup Patel anup at brainfault.org
Fri Feb 26 22:55:57 EST 2021


Hi Palmer,

On Fri, Feb 19, 2021 at 12:45 PM Palmer Dabbelt
<palmerdabbelt at google.com> wrote:
>
> On Mon, 08 Feb 2021 21:46:20 PST (-0800), Anup Patel wrote:
> > 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 at wdc.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
>
> Thanks, this is on for-next.

This patch was missed in your PR for Linux-5.12-rc1

Regards,
Anup



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