linux-kernel - Re: [PATCH v4 00/29] drm/i915/gvt: KVM: KVMGT fixes and page-track cleanups

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Message-ID: <169110211029.1965858.14581735700060429373.b4-ty@google.com>
Date:   Thu,  3 Aug 2023 17:41:06 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>
Cc:     kvm@...r.kernel.org, intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Yan Zhao <yan.y.zhao@...el.com>,
        Yongwei Ma <yongwei.ma@...el.com>,
        Ben Gardon <bgardon@...gle.com>
Subject: Re: [PATCH v4 00/29] drm/i915/gvt: KVM: KVMGT fixes and page-track cleanups

On Fri, 28 Jul 2023 18:35:06 -0700, Sean Christopherson wrote:
> Fix a handful of minor bugs in KVMGT, and overhaul KVM's page-track APIs
> to provide a leaner and cleaner interface.  The motivation for this
> series is to (significantly) reduce the number of KVM APIs that KVMGT
> uses, with a long-term goal of making all kvm_host.h headers KVM-internal.
> 
> If there are no objections or issues, my plan is to take this through the
> KVM tree for 6.6 (I had it ready early last week, and then forgot to actually
> post v4, /facepalm).
> 
> [...]

Applied to kvm-x86 mmu, thanks!

[01/29] drm/i915/gvt: Verify pfn is "valid" before dereferencing "struct page"
        https://github.com/kvm-x86/linux/commit/865327865164
[02/29] drm/i915/gvt: remove interface intel_gvt_is_valid_gfn
        https://github.com/kvm-x86/linux/commit/823ab2ea8429
[03/29] drm/i915/gvt: Verify hugepages are contiguous in physical address space
        https://github.com/kvm-x86/linux/commit/e27395fb1b87
[04/29] drm/i915/gvt: Don't try to unpin an empty page range
        https://github.com/kvm-x86/linux/commit/6a718c54c2ee
[05/29] drm/i915/gvt: Put the page reference obtained by KVM's gfn_to_pfn()
        https://github.com/kvm-x86/linux/commit/f969ecabe30b
[06/29] drm/i915/gvt: Explicitly check that vGPU is attached before shadowing
        https://github.com/kvm-x86/linux/commit/537eef32e720
[07/29] drm/i915/gvt: Error out on an attempt to shadowing an unknown GTT entry type
        https://github.com/kvm-x86/linux/commit/c94811471997
[08/29] drm/i915/gvt: Don't rely on KVM's gfn_to_pfn() to query possible 2M GTT
        https://github.com/kvm-x86/linux/commit/f018c319cc2f
[09/29] drm/i915/gvt: Use an "unsigned long" to iterate over memslot gfns
        https://github.com/kvm-x86/linux/commit/4879a4370304
[10/29] drm/i915/gvt: Drop unused helper intel_vgpu_reset_gtt()
        https://github.com/kvm-x86/linux/commit/ac5e77621712
[11/29] drm/i915/gvt: Protect gfn hash table with vgpu_lock
        https://github.com/kvm-x86/linux/commit/49a83e190b5b
[12/29] KVM: x86/mmu: Move kvm_arch_flush_shadow_{all,memslot}() to mmu.c
        https://github.com/kvm-x86/linux/commit/2f502998b046
[13/29] KVM: x86/mmu: Don't rely on page-track mechanism to flush on memslot change
        https://github.com/kvm-x86/linux/commit/e2fe84fb5eae
[14/29] KVM: x86/mmu: Don't bounce through page-track mechanism for guest PTEs
        https://github.com/kvm-x86/linux/commit/f1c58cdb8e04
[15/29] KVM: drm/i915/gvt: Drop @vcpu from KVM's ->track_write() hook
        https://github.com/kvm-x86/linux/commit/3f8eb1d7d3ee
[16/29] KVM: x86: Reject memslot MOVE operations if KVMGT is attached
        https://github.com/kvm-x86/linux/commit/aa611a99adb4
[17/29] drm/i915/gvt: Don't bother removing write-protection on to-be-deleted slot
        https://github.com/kvm-x86/linux/commit/a41e34b05da7
[18/29] KVM: x86: Add a new page-track hook to handle memslot deletion
        https://github.com/kvm-x86/linux/commit/cc49e12d8d3b
[19/29] drm/i915/gvt: switch from ->track_flush_slot() to ->track_remove_region()
        https://github.com/kvm-x86/linux/commit/b9ae8a09f357
[20/29] KVM: x86: Remove the unused page-track hook track_flush_slot()
        https://github.com/kvm-x86/linux/commit/1265fb534fa1
[21/29] KVM: x86/mmu: Move KVM-only page-track declarations to internal header
        https://github.com/kvm-x86/linux/commit/c87966b313cc
[22/29] KVM: x86/mmu: Use page-track notifiers iff there are external users
        https://github.com/kvm-x86/linux/commit/b5e33f265acd
[23/29] KVM: x86/mmu: Drop infrastructure for multiple page-track modes
        https://github.com/kvm-x86/linux/commit/2431c9ab231a
[24/29] KVM: x86/mmu: Rename page-track APIs to reflect the new reality
        https://github.com/kvm-x86/linux/commit/4b42f39917c1
[25/29] KVM: x86/mmu: Assert that correct locks are held for page write-tracking
        https://github.com/kvm-x86/linux/commit/21e0e1efd880
[26/29] KVM: x86/mmu: Bug the VM if write-tracking is used but not enabled
        https://github.com/kvm-x86/linux/commit/6d6ff9e6db15
[27/29] KVM: x86/mmu: Drop @slot param from exported/external page-track APIs
        https://github.com/kvm-x86/linux/commit/ca181aa50724
[28/29] KVM: x86/mmu: Handle KVM bookkeeping in page-track APIs, not callers
        https://github.com/kvm-x86/linux/commit/eae2d71635a1
[29/29] drm/i915/gvt: Drop final dependencies on KVM internal details
        https://github.com/kvm-x86/linux/commit/2d28b1230c1c

--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes