Excerpts from Fabiano Rosas's message of December 24, 2021 7:19 am:
> Delay the setting of kvm_hv_ops until after all init code has
> completed. This avoids leaving the ops still accessible if the init
> fails.
>
> Signed-off-by: Fabiano Rosas <faro...@linux.ibm.com>
Also looks okay to me but KVM init has lots of details. IIRC Alexey may
have run into a related issue with ops being set too early (or was it
cleared too late?)
Thanks,
Nick
> ---
> arch/powerpc/kvm/book3s_hv.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
> index 9f4765951733..53400932f5d8 100644
> --- a/arch/powerpc/kvm/book3s_hv.c
> +++ b/arch/powerpc/kvm/book3s_hv.c
> @@ -6087,9 +6087,6 @@ static int kvmppc_book3s_init_hv(void)
> }
> #endif
>
> - kvm_ops_hv.owner = THIS_MODULE;
> - kvmppc_hv_ops = &kvm_ops_hv;
> -
> init_default_hcalls();
>
> init_vcore_lists();
> @@ -6105,10 +6102,15 @@ static int kvmppc_book3s_init_hv(void)
> }
>
> r = kvmppc_uvmem_init();
> - if (r < 0)
> + if (r < 0) {
> pr_err("KVM-HV: kvmppc_uvmem_init failed %d\n", r);
> + return r;
> + }
>
> - return r;
> + kvm_ops_hv.owner = THIS_MODULE;
> + kvmppc_hv_ops = &kvm_ops_hv;
> +
> + return 0;
> }
>
> static void kvmppc_book3s_exit_hv(void)
> --
> 2.33.1
>
>
