linux-kernel - Re: [PATCH v2 24/28] KVM: x86/mmu: Allow zap gfn range to operate under the mmu read lock

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Message-ID: <fee9f2d3-85f8-30de-b198-0b69e4a78628@redhat.com>
Date:   Wed, 3 Feb 2021 12:25:50 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Ben Gardon <bgardon@...gle.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     Peter Xu <peterx@...hat.com>,
        Sean Christopherson <seanjc@...gle.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 v2 24/28] KVM: x86/mmu: Allow zap gfn range to operate
 under the mmu read lock

On 02/02/21 19:57, Ben Gardon wrote:
> 
> @@ -5518,13 +5518,17 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end)
>  		}
>  	}
>  
> +	kvm_mmu_unlock(kvm);
> +
>  	if (kvm->arch.tdp_mmu_enabled) {

Temporary compile error.

Paolo