[PATCH 2/7] RISC-V: KVM: Extend ONE_REG to enable/disable multiple ISA extensions

[Andrew Jones]

On Wed, Jul 12, 2023 at 09:40:42PM +0530, Anup Patel wrote:
> Currently, the ISA extension ONE_REG interface only allows enabling or
> disabling one extension at a time. To improve this, we extend the ISA
> extension ONE_REG interface (similar to SBI extension ONE_REG interface)
> so that KVM user space can enable/disable multiple extensions in one
> ioctl.
> 
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>  arch/riscv/include/uapi/asm/kvm.h |   9 ++
>  arch/riscv/kvm/vcpu_onereg.c      | 153 ++++++++++++++++++++++++------
>  2 files changed, 133 insertions(+), 29 deletions(-)
>

Reviewed-by: Andrew Jones <ajones at ventanamicro.com>