linux-kernel - Re: [PATCH v5 10/19] KVM: Drop "const" attribute from old memslot in commit_memory

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Message-ID: <20200206162639.GC695333@xz-x1>
Date:   Thu, 6 Feb 2020 11:26:39 -0500
From:   Peter Xu <peterx@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Paul Mackerras <paulus@...abs.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        linux-mips@...r.kernel.org, kvm@...r.kernel.org,
        kvm-ppc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
        Christoffer Dall <christoffer.dall@....com>,
        Philippe Mathieu-Daudé <f4bug@...at.org>
Subject: Re: [PATCH v5 10/19] KVM: Drop "const" attribute from old memslot in
 commit_memory_region()

On Tue, Jan 21, 2020 at 02:31:48PM -0800, Sean Christopherson wrote:
> Drop the "const" attribute from @old in kvm_arch_commit_memory_region()
> to allow arch specific code to free arch specific resources in the old
> memslot without having to cast away the attribute.  Freeing resources in
> kvm_arch_commit_memory_region() paves the way for simplifying
> kvm_free_memslot() by eliminating the last usage of its @dont param.
> 
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>

Reviewed-by: Peter Xu <peterx@...hat.com>

-- 
Peter Xu