linux-kernel - RE: [RFC][Patch v8 0/7] KVM: Guest Free Page Hinting

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Date:   Fri, 15 Feb 2019 09:15:21 +0000
From:   "Wang, Wei W" <wei.w.wang@...el.com>
To:     'David Hildenbrand' <david@...hat.com>,
        Nitesh Narayan Lal <nitesh@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "lcapitulino@...hat.com" <lcapitulino@...hat.com>,
        "pagupta@...hat.com" <pagupta@...hat.com>,
        "yang.zhang.wz@...il.com" <yang.zhang.wz@...il.com>,
        "riel@...riel.com" <riel@...riel.com>,
        "mst@...hat.com" <mst@...hat.com>,
        "dodgen@...gle.com" <dodgen@...gle.com>,
        "konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
        "dhildenb@...hat.com" <dhildenb@...hat.com>,
        "aarcange@...hat.com" <aarcange@...hat.com>
Subject: RE: [RFC][Patch v8 0/7] KVM: Guest Free Page Hinting

On Thursday, February 14, 2019 6:01 PM, David Hildenbrand wrote:
> And how to preload without locking?

The memory is preload per-CPU. It's usually called outside the lock.

Best,
Wei