linux-kernel - Re: [PATCH 02/22] kvm: mmu: Introduce tdp

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Message-ID: <9ebecd06-950c-e7ee-c991-94e63ecec4a2@redhat.com>
Date:   Sat, 26 Sep 2020 02:04:49 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Ben Gardon <bgardon@...gle.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     Cannon Matthews <cannonmatthews@...gle.com>,
        Peter Xu <peterx@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Peter Shier <pshier@...gle.com>,
        Peter Feiner <pfeiner@...gle.com>,
        Junaid Shahid <junaids@...gle.com>,
        Jim Mattson <jmattson@...gle.com>,
        Yulei Zhang <yulei.kernel@...il.com>,
        Wanpeng Li <kernellwp@...il.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Xiao Guangrong <xiaoguangrong.eric@...il.com>
Subject: Re: [PATCH 02/22] kvm: mmu: Introduce tdp_iter

On 25/09/20 23:22, Ben Gardon wrote:
>  EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask);
>  
> -static bool is_mmio_spte(u64 spte)
> +bool is_mmio_spte(u64 spte)
>  {
>  	return (spte & SPTE_SPECIAL_MASK) == SPTE_MMIO_MASK;
>  }
> @@ -623,7 +612,7 @@ static int is_nx(struct kvm_vcpu *vcpu)
>  	return vcpu->arch.efer & EFER_NX;
>  }
>  
> -static int is_shadow_present_pte(u64 pte)
> +int is_shadow_present_pte(u64 pte)
>  {
>  	return (pte != 0) && !is_mmio_spte(pte);
>  }
> @@ -633,7 +622,7 @@ static int is_large_pte(u64 pte)
>  	return pte & PT_PAGE_SIZE_MASK;
>  }
>  
> -static int is_last_spte(u64 pte, int level)
> +int is_last_spte(u64 pte, int level)
>  {
>  	if (level == PG_LEVEL_4K)
>  		return 1;
> @@ -647,7 +636,7 @@ static bool is_executable_pte(u64 spte)
>  	return (spte & (shadow_x_mask | shadow_nx_mask)) == shadow_x_mask;
>  }
>  
> -static kvm_pfn_t spte_to_pfn(u64 pte)
> +kvm_pfn_t spte_to_pfn(u64 pte)
>  {
>  	return (pte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;
>  }

Should these be inlines in mmu_internal.h instead?

Paolo