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From: Christoph Hellwig <hch@infradead.org>
To: David Stevens <stevensd@chromium.org>
Cc: Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Yu Zhang <yu.c.zhang@linux.intel.com>,
	Isaku Yamahata <isaku.yamahata@gmail.com>,
	Zhi Wang <zhi.wang.linux@gmail.com>,
	Maxim Levitsky <mlevitsk@redhat.com>,
	kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Subject: Re: [PATCH v11 0/8] KVM: allow mapping non-refcounted pages
Date: Thu, 29 Feb 2024 05:36:31 -0800	[thread overview]
Message-ID: <ZeCIX5Aw5s1L0YEh@infradead.org> (raw)
In-Reply-To: <20240229025759.1187910-1-stevensd@google.com>

On Thu, Feb 29, 2024 at 11:57:51AM +0900, David Stevens wrote:
> Our use case is virtio-gpu blob resources [1], which directly map host
> graphics buffers into the guest as "vram" for the virtio-gpu device.
> This feature currently does not work on systems using the amdgpu driver,
> as that driver allocates non-compound higher order pages via
> ttm_pool_alloc_page().

.. and just as last time around that is still the problem that needs
to be fixed instead of creating a monster like this to map
non-refcounted pages.


  parent reply	other threads:[~2024-02-29 13:36 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-29  2:57 [PATCH v11 0/8] KVM: allow mapping non-refcounted pages David Stevens
2024-02-29  2:57 ` [PATCH v11 1/8] KVM: Assert that a page's refcount is elevated when marking accessed/dirty David Stevens
2024-02-29  2:57 ` [PATCH v11 2/8] KVM: Relax BUG_ON argument validation David Stevens
2024-02-29  2:57 ` [PATCH v11 3/8] KVM: mmu: Introduce kvm_follow_pfn() David Stevens
2024-02-29  2:57 ` [PATCH v11 4/8] KVM: mmu: Improve handling of non-refcounted pfns David Stevens
2024-02-29  2:57 ` [PATCH v11 5/8] KVM: Migrate kvm_vcpu_map() to kvm_follow_pfn() David Stevens
2024-02-29  2:57 ` [PATCH v11 6/8] KVM: x86: Migrate " David Stevens
2024-02-29  2:57 ` [PATCH v11 7/8] KVM: x86/mmu: Track if sptes refer to refcounted pages David Stevens
2024-02-29  2:57 ` [PATCH v11 8/8] KVM: x86/mmu: Handle non-refcounted pages David Stevens
2024-04-04 16:03   ` Dmitry Osipenko
2024-04-15  7:28     ` David Stevens
2024-04-15  9:36       ` Paolo Bonzini
2024-02-29 13:36 ` Christoph Hellwig [this message]
2024-03-13  4:55   ` [PATCH v11 0/8] KVM: allow mapping " David Stevens
2024-03-13  9:55     ` Christian König
2024-03-13 13:34       ` Sean Christopherson
2024-03-13 14:37         ` Christian König
2024-03-13 14:48           ` Sean Christopherson
     [not found]             ` <9e604f99-5b63-44d7-8476-00859dae1dc4@amd.com>
2024-03-13 15:09               ` Christian König
2024-03-13 15:47               ` Sean Christopherson
     [not found]                 ` <93df19f9-6dab-41fc-bbcd-b108e52ff50b@amd.com>
2024-03-13 17:26                   ` Sean Christopherson
     [not found]                     ` <c84fcf0a-f944-4908-b7f6-a1b66a66a6bc@amd.com>
2024-03-14  9:20                       ` Christian König
2024-03-14 11:31                         ` David Stevens
2024-03-14 11:51                           ` Christian König
2024-03-14 14:45                             ` Sean Christopherson
2024-03-18  1:26                             ` Christoph Hellwig
2024-03-18 13:10                               ` Paolo Bonzini
2024-03-18 23:20                                 ` Christoph Hellwig
2024-03-14 16:17                           ` Sean Christopherson
2024-03-14 17:19                             ` Sean Christopherson
2024-03-15 17:59                               ` Sean Christopherson
2024-03-20 20:54                                 ` Axel Rasmussen
2024-03-13 13:33     ` Christoph Hellwig
2024-06-21 18:32 ` Sean Christopherson
2024-07-31 11:41   ` Alex Bennée
2024-07-31 15:01     ` Sean Christopherson
2024-08-05 23:44     ` David Stevens

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