linux-kernel - Re: [PATCH v2 1/3] KVM: MMU: Do not treat ZONE

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Date:   Mon, 11 Nov 2019 23:43:19 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, KVM list <kvm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Adam Borowski <kilobyte@...band.pl>,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v2 1/3] KVM: MMU: Do not treat ZONE_DEVICE pages as being
 reserved

On 11/11/19 23:39, Dan Williams wrote:
>> [*] http://lkml.kernel.org/r/20190919115547.GA17963@angband.pl
>>
>> Reported-by: Adam Borowski <kilobyte@...band.pl>
>> Debugged-by: David Hildenbrand <david@...hat.com>
>> Cc: Dan Williams <dan.j.williams@...el.com>
> Acked-by: Dan Williams <dan.j.williams@...el.com>
> 
>> Cc: stable@...r.kernel.org
> Perhaps add:
> 
> Fixes: 3565fce3a659 ("mm, x86: get_user_pages() for dax mappings")
> 
> ...since that was the first kernel that broke KVM's assumption about
> which pfn types needed to have the reference count managed.
> 

Done, thanks!

Paolo