linux-kernel - Re: [PATCH 05/14] KVM: x86: Remove unnecessary export of kvm_inject_page

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Date:   Thu, 1 Dec 2022 02:04:01 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Like Xu <like.xu.linux@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/14] KVM: x86: Remove unnecessary export of
 kvm_inject_page_fault()

On Mon, Nov 14, 2022, Like Xu wrote:
> From: Like Xu <likexu@...cent.com>
> 
> Don't export x86's kvm_inject_page_fault(), the helper isn't used by
> KVM x86's vendor modules. Add declaration to header file out of
> existing callers' need.

...

> diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
> index 9de72586f406..69811b4f3eac 100644
> --- a/arch/x86/kvm/x86.h
> +++ b/arch/x86/kvm/x86.h
> @@ -307,6 +307,7 @@ int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type,
>  int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
>  			    int emulation_type, void *insn, int insn_len);
>  fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu);
> +void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);

arch/x86/include/asm/kvm_host.h already has a definition, no need for one here.
The definition could obviously be moved, but I'd prefer not to bother at this time
as I want to move _all_ of kvm_host.h out of the "public" include directories (WIP).