From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 24 Jun 2021 07:31:11 +0000
Subject: Re: [PATCH 3/6] KVM: x86/mmu: avoid struct page in MMU
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References: <20210624035749.4054934-1-stevensd@google.com>
 <20210624035749.4054934-4-stevensd@google.com>
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To: David Stevens <stevensd@chromium.org>, Marc Zyngier <maz@kernel.org>, Huacai Chen <chenhuacai@kernel.org>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Paul Mackerras <paulus@ozlabs.org>, Zhenyu Wang <zhenyuw@linux.intel.com>, Zhi Wang <zhi.a.wang@intel.com>
Cc: James Morse <james.morse@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Will Deacon <will@kernel.org>, Sean Christopherson <seanjc@google.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org

On 24/06/21 05:57, David Stevens wrote:
>   static int __direct_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
> -			int map_writable, int max_level, kvm_pfn_t pfn,
> +			int map_writable, int max_level,
> +			const struct kvm_pfn_page *pfnpg,
>   			bool prefault, bool is_tdp)
>   {
>   	bool nx_huge_page_workaround_enabled = is_nx_huge_pa

So the main difference with my tentative patches is that here I was 
passing the struct by value.  I'll try to clean this up for 5.15, but 
for now it's all good like this.  Thanks again!

Paolo