Re: [PATCH v1 01/24] LoongArch: KVM: Implement kvm module related interface

[Greg Kroah-Hartman]

On Tue, Feb 14, 2023 at 05:00:56PM +0800, Tianrui Zhao wrote:
> > > +#define KVM_GET_CSRS		_IOWR(KVMIO, 0xc5, struct kvm_csrs)
> > > +#define KVM_SET_CSRS		_IOW(KVMIO,  0xc6, struct kvm_csrs)
> > Why does this arch need new ioctls?
> We want to use this ioctl to access multiple csrs at one time. If without
> this, we only access one csr.

What is wrong with accessing only one csr at a time?  Isn't this what
other architectures do?

> There is another function, can we use the KVM_GET/SET_MSRS to access our
> csrs?

I do not know, that's up to the KVM developers to answer.

thanks,

greg k-h