From: Paolo Bonzini <pbonzini@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>,
Sean Christopherson <sean.j.christopherson@intel.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
"Vitaly Kuznetsov" <vkuznets@redhat.com>,
"Wanpeng Li" <wanpengli@tencent.com>,
"Jim Mattson" <jmattson@google.com>,
"Joerg Roedel" <joro@8bytes.org>,
"KVM list" <kvm@vger.kernel.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Adam Borowski" <kilobyte@angband.pl>,
"David Hildenbrand" <david@redhat.com>
Subject: Re: [PATCH v2 1/3] KVM: MMU: Do not treat ZONE_DEVICE pages as being reserved
Date: Mon, 11 Nov 2019 23:43:19 +0100 [thread overview]
Message-ID: <4d5a1f52-ca25-bbf9-fb3c-d7cec90caafc@redhat.com> (raw)
In-Reply-To: <CAPcyv4hyPWv0OpZVBJ-Vq8pGny1B59EkvykZ0RKZAgHB0tq2og@mail.gmail.com>
On 11/11/19 23:39, Dan Williams wrote:
>> [*] http://lkml.kernel.org/r/20190919115547.GA17963@angband.pl
>>
>> Reported-by: Adam Borowski <kilobyte@angband.pl>
>> Debugged-by: David Hildenbrand <david@redhat.com>
>> Cc: Dan Williams <dan.j.williams@intel.com>
> Acked-by: Dan Williams <dan.j.williams@intel.com>
>
>> Cc: stable@vger.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
next prev parent reply other threads:[~2019-11-11 22:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 22:12 [PATCH v2 0/3] KVM: MMU: Fix a refcount bug with ZONE_DEVICE pages Sean Christopherson
2019-11-11 22:12 ` [PATCH v2 1/3] KVM: MMU: Do not treat ZONE_DEVICE pages as being reserved Sean Christopherson
2019-11-11 22:20 ` Paolo Bonzini
2019-11-11 22:39 ` Dan Williams
2019-11-11 22:43 ` Paolo Bonzini [this message]
2019-11-12 7:06 ` David Hildenbrand
2019-11-11 22:12 ` [PATCH v2 2/3] KVM: x86/mmu: Remove superfluous is_error_pfn() check from THP adjust Sean Christopherson
2019-11-11 22:12 ` [PATCH v2 3/3] KVM: x86/mmu: Add helper to consolidate huge page promotion Sean Christopherson
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