On Wed, Dec 14, 2022 at 01:39:57PM -0600, Michael Roth wrote:
> This callback will handle any platform-specific handling needed for
s/handle/do/
> converting pages between shared/private.
>
> Signed-off-by: Michael Roth <michael.roth@xxxxxxx>
> ---
> arch/x86/include/asm/kvm-x86-ops.h | 1 +
> arch/x86/include/asm/kvm_host.h | 2 ++
> arch/x86/kvm/mmu/mmu.c | 10 ++++++++--
> 3 files changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/include/asm/kvm-x86-ops.h b/arch/x86/include/asm/kvm-x86-ops.h
> index efae987cdce0..52f94a0ba5e9 100644
> --- a/arch/x86/include/asm/kvm-x86-ops.h
> +++ b/arch/x86/include/asm/kvm-x86-ops.h
> @@ -133,6 +133,7 @@ KVM_X86_OP(vcpu_deliver_sipi_vector)
> KVM_X86_OP_OPTIONAL_RET0(vcpu_get_apicv_inhibit_reasons);
> KVM_X86_OP_OPTIONAL_RET0(private_mem_enabled);
> KVM_X86_OP_OPTIONAL_RET0(fault_is_private);
> +KVM_X86_OP_OPTIONAL_RET0(update_mem_attr)
>
> #undef KVM_X86_OP
> #undef KVM_X86_OP_OPTIONAL
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 92539708f062..13802389f0f9 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -1637,6 +1637,8 @@ struct kvm_x86_ops {
> int root_level);
> int (*private_mem_enabled)(struct kvm *kvm);
> int (*fault_is_private)(struct kvm *kvm, gpa_t gpa, u64 error_code, bool *private_fault);
> + int (*update_mem_attr)(struct kvm_memory_slot *slot, unsigned int attr,
> + gfn_t start, gfn_t end);
Does this one want to return bool too?
I guess I'll see later...
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
