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.
next prev 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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