From: Yuan Yao <yuan.yao@linux.intel.com>
To: isaku.yamahata@intel.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
isaku.yamahata@gmail.com, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v7 044/102] KVM: x86/mmu: Add a private pointer to struct kvm_mmu_page
Date: Mon, 11 Jul 2022 14:28:41 +0800 [thread overview]
Message-ID: <20220711062841.sbaytrbt7tuezojo@yy-desk-7060> (raw)
In-Reply-To: <392839e09c48ff4e14a598ff6ed8bd56429bf17b.1656366338.git.isaku.yamahata@intel.com>
On Mon, Jun 27, 2022 at 02:53:36PM -0700, isaku.yamahata@intel.com wrote:
> From: Isaku Yamahata <isaku.yamahata@intel.com>
>
> For private GPA, CPU refers a private page table whose contents are
> encrypted. The dedicated APIs to operate on it (e.g. updating/reading its
> PTE entry) are used and their cost is expensive.
>
> When KVM resolves KVM page fault, it walks the page tables. To reuse the
> existing KVM MMU code and mitigate the heavy cost to directly walk
> encrypted private page table, allocate a more page to mirror the existing
> KVM page table. Resolve KVM page fault with the existing code, and do
> additional operations necessary for the mirrored private page table. To
> distinguish such cases, the existing KVM page table is called a shared page
> table (i.e. no mirrored private page table), and the KVM page table with
> mirrored private page table is called a private page table. The
> relationship is depicted below.
>
> Add private pointer to struct kvm_mmu_page for mirrored private page table
> and add helper functions to allocate/initialize/free a mirrored private
> page table page. Also, add helper functions to check if a given
> kvm_mmu_page is private. The later patch introduces hooks to operate on
> the mirrored private page table.
>
> KVM page fault |
> | |
> V |
> -------------+---------- |
> | | |
> V V |
> shared GPA private GPA |
> | | |
> V V |
> CPU/KVM shared PT root KVM private PT root | CPU private PT root
> | | | |
> V V | V
> shared PT private PT <----mirror----> mirrored private PT
> | | | |
> | \-----------------+------\ |
> | | | |
> V | V V
> shared guest page | private guest page
> |
> non-encrypted memory | encrypted memory
> |
> PT: page table
>
> Both CPU and KVM refer to CPU/KVM shared page table. Private page table
> is used only by KVM. CPU refers to mirrored private page table.
>
> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
> ---
> arch/x86/include/asm/kvm_host.h | 1 +
> arch/x86/kvm/mmu/mmu.c | 9 ++++
> arch/x86/kvm/mmu/mmu_internal.h | 84 +++++++++++++++++++++++++++++++++
> arch/x86/kvm/mmu/tdp_mmu.c | 3 ++
> 4 files changed, 97 insertions(+)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index f4d4ed41641b..bfc934dc9a33 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -716,6 +716,7 @@ struct kvm_vcpu_arch {
> struct kvm_mmu_memory_cache mmu_shadow_page_cache;
> struct kvm_mmu_memory_cache mmu_gfn_array_cache;
> struct kvm_mmu_memory_cache mmu_page_header_cache;
> + struct kvm_mmu_memory_cache mmu_private_sp_cache;
>
> /*
> * QEMU userspace and the guest each have their own FPU state.
> diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
> index c517c7bca105..a5bf3e40e209 100644
> --- a/arch/x86/kvm/mmu/mmu.c
> +++ b/arch/x86/kvm/mmu/mmu.c
> @@ -691,6 +691,13 @@ static int mmu_topup_shadow_page_cache(struct kvm_vcpu *vcpu)
> int start, end, i, r;
> bool is_tdp_mmu = is_tdp_mmu_enabled(vcpu->kvm);
>
> + if (kvm_gfn_shared_mask(vcpu->kvm)) {
> + r = kvm_mmu_topup_memory_cache(&vcpu->arch.mmu_private_sp_cache,
> + PT64_ROOT_MAX_LEVEL);
> + if (r)
> + return r;
> + }
> +
> if (is_tdp_mmu && shadow_nonpresent_value)
> start = kvm_mmu_memory_cache_nr_free_objects(mc);
>
> @@ -732,6 +739,7 @@ static void mmu_free_memory_caches(struct kvm_vcpu *vcpu)
> {
> kvm_mmu_free_memory_cache(&vcpu->arch.mmu_pte_list_desc_cache);
> kvm_mmu_free_memory_cache(&vcpu->arch.mmu_shadow_page_cache);
> + kvm_mmu_free_memory_cache(&vcpu->arch.mmu_private_sp_cache);
> kvm_mmu_free_memory_cache(&vcpu->arch.mmu_gfn_array_cache);
> kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_header_cache);
> }
> @@ -1736,6 +1744,7 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu, int direct
> if (!direct)
> sp->gfns = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_gfn_array_cache);
> set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
> + kvm_mmu_init_private_sp(sp, NULL);
>
> /*
> * active_mmu_pages must be a FIFO list, as kvm_zap_obsolete_pages()
> diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h
> index 44a04fad4bed..9f3a6bea60a3 100644
> --- a/arch/x86/kvm/mmu/mmu_internal.h
> +++ b/arch/x86/kvm/mmu/mmu_internal.h
> @@ -55,6 +55,10 @@ struct kvm_mmu_page {
> u64 *spt;
> /* hold the gfn of each spte inside spt */
> gfn_t *gfns;
> +#ifdef CONFIG_KVM_MMU_PRIVATE
> + /* associated private shadow page, e.g. SEPT page. */
> + void *private_sp;
> +#endif
> /* Currently serving as active root */
> union {
> int root_count;
> @@ -115,6 +119,86 @@ static inline int kvm_mmu_page_as_id(struct kvm_mmu_page *sp)
> return kvm_mmu_role_as_id(sp->role);
> }
>
> +/*
> + * TDX vcpu allocates page for root Secure EPT page and assigns to CPU secure
"TDX vcpu" is a little confused, how about "TDX moudule allocates(or manages) page
for ..." ?
> + * EPT pointer. KVM doesn't need to allocate and link to the secure EPT.
> + * Dummy value to make is_pivate_sp() return true.
> + */
> +#define KVM_MMU_PRIVATE_SP_ROOT ((void *)1)
> +
> +#ifdef CONFIG_KVM_MMU_PRIVATE
> +static inline bool is_private_sp(struct kvm_mmu_page *sp)
> +{
> + return !!sp->private_sp;
> +}
> +
> +static inline bool is_private_sptep(u64 *sptep)
> +{
> + WARN_ON(!sptep);
> + return is_private_sp(sptep_to_sp(sptep));
> +}
> +
> +static inline void *kvm_mmu_private_sp(struct kvm_mmu_page *sp)
> +{
> + return sp->private_sp;
> +}
> +
> +static inline void kvm_mmu_init_private_sp(struct kvm_mmu_page *sp, void *private_sp)
> +{
> + sp->private_sp = private_sp;
> +}
> +
> +/* Valid sp->role.level is required. */
I didn't see such requirement in kvm_mmu_alloc_private_sp(), please
consider to move the comment with the code that introduces such
requirement together.
> +static inline void kvm_mmu_alloc_private_sp(
> + struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, bool is_root)
> +{
> + if (is_root)
> + sp->private_sp = KVM_MMU_PRIVATE_SP_ROOT;
> + else
> + sp->private_sp = kvm_mmu_memory_cache_alloc(
> + &vcpu->arch.mmu_private_sp_cache);
> + /*
> + * Because mmu_private_sp_cache is topped up before staring kvm page
> + * fault resolving, the allocation above shouldn't fail.
> + */
> + WARN_ON_ONCE(!sp->private_sp);
> +}
> +
> +static inline void kvm_mmu_free_private_sp(struct kvm_mmu_page *sp)
> +{
> + if (sp->private_sp != KVM_MMU_PRIVATE_SP_ROOT)
> + free_page((unsigned long)sp->private_sp);
> +}
> +#else
> +static inline bool is_private_sp(struct kvm_mmu_page *sp)
> +{
> + return false;
> +}
> +
> +static inline bool is_private_sptep(u64 *sptep)
> +{
> + return false;
> +}
> +
> +static inline void *kvm_mmu_private_sp(struct kvm_mmu_page *sp)
> +{
> + return NULL;
> +}
> +
> +static inline void kvm_mmu_init_private_sp(struct kvm_mmu_page *sp, void *private_sp)
> +{
> +}
> +
> +static inline void kvm_mmu_alloc_private_sp(
> + struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, bool is_root)
> +{
> +}
> +
> +static inline void kvm_mmu_free_private_sp(struct kvm_mmu_page *sp)
> +{
> +}
> +#endif
> +
> static inline bool kvm_mmu_page_ad_need_write_protect(struct kvm_mmu_page *sp)
> {
> /*
> diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
> index 7eb41b176d1e..b2568b062faa 100644
> --- a/arch/x86/kvm/mmu/tdp_mmu.c
> +++ b/arch/x86/kvm/mmu/tdp_mmu.c
> @@ -72,6 +72,8 @@ void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm)
>
> static void tdp_mmu_free_sp(struct kvm_mmu_page *sp)
> {
> + if (is_private_sp(sp))
> + kvm_mmu_free_private_sp(sp);
> free_page((unsigned long)sp->spt);
> kmem_cache_free(mmu_page_header_cache, sp);
> }
> @@ -295,6 +297,7 @@ static void tdp_mmu_init_sp(struct kvm_mmu_page *sp, tdp_ptep_t sptep,
> sp->gfn = gfn;
> sp->ptep = sptep;
> sp->tdp_mmu_page = true;
> + kvm_mmu_init_private_sp(sp);
>
> trace_kvm_mmu_get_page(sp, true);
> }
> --
> 2.25.1
>
next prev parent reply other threads:[~2022-07-11 6:28 UTC|newest]
Thread overview: 219+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-27 21:52 [PATCH v7 000/102] KVM TDX basic feature support isaku.yamahata
2022-06-27 21:52 ` [PATCH v7 001/102] KVM: x86: Move check_processor_compatibility from init ops to runtime ops isaku.yamahata
2022-06-27 21:52 ` [PATCH v7 002/102] Partially revert "KVM: Pass kvm_init()'s opaque param to additional arch funcs" isaku.yamahata
2022-07-13 1:55 ` Kai Huang
2022-07-26 23:57 ` Isaku Yamahata
2022-06-27 21:52 ` [PATCH v7 003/102] KVM: Refactor CPU compatibility check on module initialiization isaku.yamahata
2022-07-12 1:15 ` Kai Huang
2022-07-13 3:16 ` Kai Huang
2022-07-13 3:11 ` Kai Huang
2022-07-27 22:04 ` Isaku Yamahata
2022-06-27 21:52 ` [PATCH v7 004/102] KVM: VMX: Move out vmx_x86_ops to 'main.c' to wrap VMX and TDX isaku.yamahata
2022-06-27 21:52 ` [PATCH v7 005/102] x86/virt/vmx/tdx: export platform_tdx_enabled() isaku.yamahata
2022-06-27 21:52 ` [PATCH v7 006/102] KVM: TDX: Detect CPU feature on kernel module initialization isaku.yamahata
2022-06-28 3:43 ` Kai Huang
2022-07-11 23:48 ` Isaku Yamahata
2022-07-12 0:45 ` Kai Huang
2022-06-27 21:52 ` [PATCH v7 007/102] KVM: Enable hardware before doing arch VM initialization isaku.yamahata
2022-06-28 2:59 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 008/102] KVM: x86: Refactor KVM VMX module init/exit functions isaku.yamahata
2022-06-28 3:53 ` Kai Huang
2022-07-12 0:38 ` Isaku Yamahata
2022-07-12 1:30 ` Kai Huang
2022-07-27 0:44 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 009/102] KVM: TDX: Add placeholders for TDX VM/vcpu structure isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 010/102] x86/virt/tdx: Add a helper function to return system wide info about TDX module isaku.yamahata
2022-07-07 2:46 ` Yuan Yao
2022-07-12 0:39 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 011/102] KVM: TDX: Initialize TDX module when loading kvm_intel.ko isaku.yamahata
2022-06-28 4:31 ` Kai Huang
2022-07-12 0:46 ` Isaku Yamahata
2022-07-12 1:13 ` Kai Huang
2022-07-27 0:39 ` Isaku Yamahata
2022-07-27 4:38 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 012/102] KVM: x86: Introduce vm_type to differentiate default VMs from confidential VMs isaku.yamahata
2022-06-28 2:52 ` Kai Huang
2022-07-04 6:44 ` Kai Huang
2022-07-12 1:01 ` Isaku Yamahata
2022-07-12 1:24 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 013/102] KVM: TDX: Make TDX VM type supported isaku.yamahata
2022-07-07 2:55 ` Yuan Yao
2022-07-12 1:06 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 014/102] [MARKER] The start of TDX KVM patch series: TDX architectural definitions isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 015/102] KVM: TDX: Define " isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 016/102] KVM: TDX: Add TDX "architectural" error codes isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 017/102] KVM: TDX: Add C wrapper functions for SEAMCALLs to the TDX module isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 018/102] KVM: TDX: Add helper functions to print TDX SEAMCALL error isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 019/102] [MARKER] The start of TDX KVM patch series: TD VM creation/destruction isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 020/102] KVM: TDX: Stub in tdx.h with structs, accessors, and VMCS helpers isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 021/102] x86/cpu: Add helper functions to allocate/free TDX private host key id isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 022/102] KVM: TDX: create/destroy VM structure isaku.yamahata
2022-07-07 6:16 ` Yuan Yao
2022-07-12 6:21 ` Isaku Yamahata
2022-08-02 19:46 ` Sean Christopherson
2022-08-11 18:29 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 023/102] KVM: TDX: x86: Add ioctl to get TDX systemwide parameters isaku.yamahata
2022-07-07 6:48 ` Yuan Yao
2022-06-27 21:53 ` [PATCH v7 024/102] KVM: TDX: Add place holder for TDX VM specific mem_enc_op ioctl isaku.yamahata
2022-07-07 7:12 ` Yuan Yao
2022-06-27 21:53 ` [PATCH v7 025/102] KVM: TDX: initialize VM with TDX specific parameters isaku.yamahata
2022-06-28 8:30 ` Xiaoyao Li
2022-07-12 7:11 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 026/102] KVM: TDX: Make pmu_intel.c ignore guest TD case isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 027/102] [MARKER] The start of TDX KVM patch series: TD vcpu creation/destruction isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 028/102] KVM: TDX: allocate/free TDX vcpu structure isaku.yamahata
2022-08-02 19:56 ` Sean Christopherson
2022-06-27 21:53 ` [PATCH v7 029/102] " isaku.yamahata
2022-06-28 11:34 ` Kai Huang
2022-07-12 7:55 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 030/102] KVM: TDX: Do TDX specific vcpu initialization isaku.yamahata
2022-07-08 2:14 ` Yuan Yao
2022-07-12 20:35 ` Isaku Yamahata
2022-07-13 0:22 ` Xiaoyao Li
2022-06-27 21:53 ` [PATCH v7 031/102] [MARKER] The start of TDX KVM patch series: KVM MMU GPA shared bits isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 032/102] KVM: x86/mmu: introduce config for PRIVATE KVM MMU isaku.yamahata
2022-07-08 1:53 ` Kai Huang
2022-07-13 1:25 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 033/102] KVM: x86/mmu: Add address conversion functions for TDX shared bits isaku.yamahata
2022-07-08 2:15 ` Kai Huang
2022-07-13 4:52 ` Isaku Yamahata
2022-07-13 10:41 ` Kai Huang
2022-07-14 0:14 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 034/102] [MARKER] The start of TDX KVM patch series: KVM TDP refactoring for TDX isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault isaku.yamahata
2022-06-30 11:37 ` Kai Huang
2022-07-13 8:35 ` Isaku Yamahata
2022-07-13 10:29 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 036/102] KVM: x86/mmu: Allow non-zero value for non-present SPTE isaku.yamahata
2022-06-30 11:03 ` Kai Huang
2022-07-14 18:05 ` Isaku Yamahata
2022-07-08 5:18 ` Yuan Yao
2022-07-08 15:30 ` Sean Christopherson
2022-07-11 7:05 ` Yuan Yao
2022-07-11 14:47 ` Sean Christopherson
2022-07-14 18:41 ` Isaku Yamahata
2022-07-20 2:44 ` Kai Huang
2022-07-20 3:12 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 037/102] KVM: x86/mmu: Track shadow MMIO value/mask on a per-VM basis isaku.yamahata
2022-06-30 11:45 ` Kai Huang
2022-07-05 14:06 ` Kai Huang
2022-07-19 8:47 ` Isaku Yamahata
2022-07-20 3:45 ` Kai Huang
2022-07-27 23:20 ` Isaku Yamahata
2022-07-28 0:48 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 038/102] KVM: x86/mmu: Disallow fast page fault on private GPA isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 039/102] KVM: x86/mmu: Allow per-VM override of the TDP max page level isaku.yamahata
2022-06-30 12:27 ` Kai Huang
2022-07-19 10:26 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 040/102] KVM: x86/mmu: Zap only leaf SPTEs for deleted/moved memslot for private mmu isaku.yamahata
2022-07-01 10:41 ` Kai Huang
2022-07-19 11:06 ` Isaku Yamahata
2022-07-19 23:17 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 041/102] KVM: VMX: Introduce test mode related to EPT violation VE isaku.yamahata
2022-07-08 2:23 ` Kai Huang
2022-07-19 14:49 ` Isaku Yamahata
2022-07-20 5:13 ` Kai Huang
2022-07-27 23:39 ` Isaku Yamahata
2022-07-28 0:54 ` Kai Huang
2022-07-28 20:11 ` Sean Christopherson
2022-08-09 0:48 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 042/102] [MARKER] The start of TDX KVM patch series: KVM TDP MMU hooks isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 043/102] KVM: x86/mmu: Focibly use TDP MMU for TDX isaku.yamahata
2022-07-11 5:48 ` Yuan Yao
2022-07-11 14:56 ` Sean Christopherson
2022-07-19 15:04 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 044/102] KVM: x86/mmu: Add a private pointer to struct kvm_mmu_page isaku.yamahata
2022-07-01 11:12 ` Kai Huang
2022-07-19 15:35 ` Isaku Yamahata
2022-07-11 6:28 ` Yuan Yao [this message]
2022-07-28 19:41 ` David Matlack
2022-08-09 23:52 ` Isaku Yamahata
2022-07-28 20:13 ` David Matlack
2022-08-09 23:50 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 045/102] KVM: x86/tdp_mmu: refactor kvm_tdp_mmu_map() isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 046/102] KVM: x86/tdp_mmu: Support TDX private mapping for TDP MMU isaku.yamahata
2022-07-08 3:44 ` Kai Huang
2022-07-26 23:39 ` Isaku Yamahata
2022-07-11 8:28 ` Yuan Yao
2022-07-26 23:41 ` Isaku Yamahata
2022-07-12 2:36 ` Yuan Yao
2022-07-26 23:42 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 047/102] [MARKER] The start of TDX KVM patch series: TDX EPT violation isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 048/102] KVM: x86/mmu: Disallow dirty logging for x86 TDX isaku.yamahata
2022-07-08 2:30 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 049/102] KVM: x86/tdp_mmu: Ignore unsupported mmu operation on private GFNs isaku.yamahata
2022-07-12 2:58 ` Yuan Yao
2022-07-19 18:03 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 050/102] KVM: VMX: Split out guts of EPT violation to common/exposed function isaku.yamahata
2022-07-08 10:25 ` Kai Huang
2022-06-27 21:53 ` [PATCH v7 051/102] KVM: VMX: Move setting of EPT MMU masks to common VT-x code isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 052/102] KVM: TDX: Add load_mmu_pgd method for TDX isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 053/102] KVM: TDX: don't request KVM_REQ_APIC_PAGE_RELOAD isaku.yamahata
2022-07-12 3:47 ` Yuan Yao
2022-07-12 6:14 ` Chao Gao
2022-07-19 18:12 ` Isaku Yamahata
2022-06-27 21:53 ` [PATCH v7 054/102] KVM: TDX: TDP MMU TDX support isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 055/102] [MARKER] The start of TDX KVM patch series: KVM TDP MMU MapGPA isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 056/102] KVM: x86/mmu: steal software usable git to record if GFN is for shared or not isaku.yamahata
2022-07-18 8:37 ` Yuan Yao
2022-06-27 21:53 ` [PATCH v7 057/102] KVM: x86/tdp_mmu: implement MapGPA hypercall for TDX isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 058/102] KVM: x86/mmu: Introduce kvm_mmu_map_tdp_page() for use by TDX isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 059/102] [MARKER] The start of TDX KVM patch series: TD finalization isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 060/102] KVM: TDX: Create initial guest memory isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 061/102] KVM: TDX: Finalize VM initialization isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 062/102] [MARKER] The start of TDX KVM patch series: TD vcpu enter/exit isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 063/102] KVM: TDX: Add helper assembly function to TDX vcpu isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 064/102] KVM: TDX: Implement TDX vcpu enter/exit path isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 065/102] KVM: TDX: vcpu_run: save/restore host state(host kernel gs) isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 066/102] KVM: TDX: restore host xsave state when exit from the guest TD isaku.yamahata
2022-06-27 21:53 ` [PATCH v7 067/102] KVM: x86: Allow to update cached values in kvm_user_return_msrs w/o wrmsr isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 068/102] KVM: TDX: restore user ret MSRs isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 069/102] [MARKER] The start of TDX KVM patch series: TD vcpu exits/interrupts/hypercalls isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 070/102] KVM: TDX: complete interrupts after tdexit isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 071/102] KVM: TDX: restore debug store when TD exit isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 072/102] KVM: TDX: handle vcpu migration over logical processor isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 073/102] KVM: x86: Add a switch_db_regs flag to handle TDX's auto-switched behavior isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 074/102] KVM: TDX: Add support for find pending IRQ in a protected local APIC isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 075/102] KVM: x86: Assume timer IRQ was injected if APIC state is proteced isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 076/102] KVM: TDX: remove use of struct vcpu_vmx from posted_interrupt.c isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 077/102] KVM: TDX: Implement interrupt injection isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 078/102] KVM: TDX: Implements vcpu request_immediate_exit isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 079/102] KVM: TDX: Implement methods to inject NMI isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 080/102] KVM: VMX: Modify NMI and INTR handlers to take intr_info as function argument isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 081/102] KVM: VMX: Move NMI/exception handler to common helper isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 082/102] KVM: x86: Split core of hypercall emulation to helper function isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 083/102] KVM: TDX: Add a place holder to handle TDX VM exit isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 084/102] KVM: TDX: handle EXIT_REASON_OTHER_SMI isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 085/102] KVM: TDX: handle ept violation/misconfig exit isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 086/102] KVM: TDX: handle EXCEPTION_NMI and EXTERNAL_INTERRUPT isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 087/102] KVM: TDX: Add a place holder for handler of TDX hypercalls (TDG.VP.VMCALL) isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 088/102] KVM: TDX: handle KVM hypercall with TDG.VP.VMCALL isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 089/102] KVM: TDX: Handle TDX PV CPUID hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 090/102] KVM: TDX: Handle TDX PV HLT hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 091/102] KVM: TDX: Handle TDX PV port io hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 092/102] KVM: TDX: Handle TDX PV MMIO hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 093/102] KVM: TDX: Implement callbacks for MSR operations for TDX isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 094/102] KVM: TDX: Handle TDX PV rdmsr/wrmsr hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 095/102] KVM: TDX: Handle TDX PV report fatal error hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 096/102] KVM: TDX: Handle TDX PV map_gpa hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 097/102] KVM: TDX: Handle TDG.VP.VMCALL<GetTdVmCallInfo> hypercall isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 098/102] KVM: TDX: Silently discard SMI request isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 099/102] KVM: TDX: Silently ignore INIT/SIPI isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 100/102] KVM: TDX: Add methods to ignore accesses to CPU state isaku.yamahata
2022-06-27 21:54 ` [PATCH v7 101/102] Documentation/virtual/kvm: Document on Trust Domain Extensions(TDX) isaku.yamahata
2022-07-08 1:34 ` Kai Huang
2022-06-27 21:54 ` [PATCH v7 102/102] KVM: x86: design documentation on TDX support of x86 KVM TDP MMU isaku.yamahata
2022-07-11 15:17 ` [PATCH v7 000/102] KVM TDX basic feature support Isaku Yamahata
2022-07-12 5:07 ` Chao Gao
2022-07-12 10:54 ` Chao Peng
2022-07-12 17:22 ` Isaku Yamahata
2022-07-13 7:37 ` Chao Peng
2022-07-12 10:49 ` Chao Peng
2022-07-12 17:35 ` Isaku Yamahata
2022-07-14 1:03 ` Sean Christopherson
2022-07-14 4:09 ` Xiaoyao Li
2022-07-20 14:59 ` Chao Peng
2022-07-25 13:46 ` Nikunj A. Dadhania
2022-07-26 14:32 ` Chao Peng
2022-07-27 9:26 ` Nikunj A. Dadhania
2022-08-03 10:48 ` Chao Peng
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