On Fri, Aug 08, 2025 at 06:18:34PM +0800, zhouquan@xxxxxxxxxxx wrote: > From: Quan Zhou <zhouquan@xxxxxxxxxxx> > > We're about to allow guests to use the Zicbop extension. > KVM userspace needs to know the cache block size in order to > properly advertise it to the guest. Provide a virtual config > register for userspace to get it with the GET_ONE_REG API, but > setting it cannot be supported, so disallow SET_ONE_REG. > > Signed-off-by: Quan Zhou <zhouquan@xxxxxxxxxxx> > --- > arch/riscv/include/uapi/asm/kvm.h | 1 + > arch/riscv/kvm/vcpu_onereg.c | 14 ++++++++++++++ > 2 files changed, 15 insertions(+) > Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
