linux-kernel - Re: [PATCH v2 7/7] KVM: x86/mmu: Lazily allocate memslot rmaps

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Message-ID: <CANgfPd-mhu3YD_D2ne7QRiuAavKuge_CQuLwNSSKkLw0qeVoDA@mail.gmail.com>
Date:   Mon, 3 May 2021 10:29:47 -0700
From:   Ben Gardon <bgardon@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Peter Xu <peterx@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Peter Shier <pshier@...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 7/7] KVM: x86/mmu: Lazily allocate memslot rmaps

On Mon, May 3, 2021 at 6:42 AM Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> On 29/04/21 23:18, Ben Gardon wrote:
> > +int alloc_memslots_rmaps(struct kvm *kvm, struct kvm_memslots *slots)
>
> This can be static, can't it?

Ah, yes. Absolutely.

>
> Paolo
>
> > +{
> > +     struct kvm_memory_slot *slot;
> > +     int r = 0;
> > +
> > +     kvm_for_each_memslot(slot, slots) {
> > +             r = alloc_memslot_rmap(kvm, slot, slot->npages);
> > +             if (r)
> > +                     break;
> > +     }
> > +     return r;
> > +}
> > +
>