linux-kernel - Re: [PATCH] KVM: SVM: limit kvm_handle_page

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Date:   Tue, 10 Oct 2017 21:01:53 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Brijesh Singh <brijesh.singh@....com>
Subject: Re: [PATCH] KVM: SVM: limit kvm_handle_page_fault to #PF handling

2017-10-10 10:49+0200, Paolo Bonzini:
> It has always annoyed me a bit how SVM_EXIT_NPF is handled by
> pf_interception.  This is also the only reason behind the
> under-documented need_unprotect argument to kvm_handle_page_fault.
> Let NPF go straight to kvm_mmu_page_fault, just like VMX
> does in handle_ept_violation and handle_ept_misconfig.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

And we also drop the unneeded pv async_pf switch,

Reviewed-by: Radim Krčmář <rkrcmar@...hat.com>