From: Binbin Wu <binbin.wu@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>,
erdemaktas@google.com, Sean Christopherson <seanjc@google.com>,
Sagi Shahar <sagis@google.com>, Kai Huang <kai.huang@intel.com>,
chen.bo@intel.com, hang.yuan@intel.com, tina.zhang@intel.com,
gkirkpatrick@google.com
Subject: Re: [PATCH v18 064/121] KVM: TDX: Create initial guest memory
Date: Mon, 19 Feb 2024 16:54:27 +0800 [thread overview]
Message-ID: <b8fb2a97-d593-4c0f-aefc-6156740a0b6a@linux.intel.com> (raw)
In-Reply-To: <97bb1f2996d8a7b828cd9e3309380d1a86ca681b.1705965635.git.isaku.yamahata@intel.com>
On 1/23/2024 7:53 AM, isaku.yamahata@intel.com wrote:
> From: Isaku Yamahata <isaku.yamahata@intel.com>
>
> Because the guest memory is protected in TDX, the creation of the initial
> guest memory requires a dedicated TDX module API, tdh_mem_page_add, instead
> of directly copying the memory contents into the guest memory in the case
> of the default VM type. KVM MMU page fault handler callback,
> private_page_add, handles it.
The changelog is stale? Do you mean "set_private_spte"?
>
> Define new subcommand, KVM_TDX_INIT_MEM_REGION, of VM-scoped
> KVM_MEMORY_ENCRYPT_OP. It assigns the guest page, copies the initial
> memory contents into the guest memory, encrypts the guest memory. At the
> same time, optionally it extends memory measurement of the TDX guest. It
> calls the KVM MMU page fault(EPT-violation) handler to trigger the
> callbacks for it.
>
> Reported-by: gkirkpatrick@google.com
> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
>
> ---
> v18:
> - rename tdx_sept_page_add() -> tdx_mem_page_add().
> - open code tdx_measure_page() into tdx_mem_page_add().
> - remove the change of tools/arch/x86/include/uapi/asm/kvm.h.
>
> v15 -> v16:
> - add check if nr_pages isn't large with
> (nr_page << PAGE_SHIFT) >> PAGE_SHIFT
>
> v14 -> v15:
> - add a check if TD is finalized or not to tdx_init_mem_region()
> - return -EAGAIN when partial population
> ---
> arch/x86/include/uapi/asm/kvm.h | 9 ++
> arch/x86/kvm/mmu/mmu.c | 1 +
> arch/x86/kvm/vmx/tdx.c | 160 +++++++++++++++++++++++++++++++-
> arch/x86/kvm/vmx/tdx.h | 2 +
> 4 files changed, 169 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
> index 4000a2e087a8..9fda7c90b7b5 100644
> --- a/arch/x86/include/uapi/asm/kvm.h
> +++ b/arch/x86/include/uapi/asm/kvm.h
> @@ -572,6 +572,7 @@ enum kvm_tdx_cmd_id {
> KVM_TDX_CAPABILITIES = 0,
> KVM_TDX_INIT_VM,
> KVM_TDX_INIT_VCPU,
> + KVM_TDX_INIT_MEM_REGION,
>
> KVM_TDX_CMD_NR_MAX,
> };
> @@ -649,4 +650,12 @@ struct kvm_tdx_init_vm {
> struct kvm_cpuid2 cpuid;
> };
>
> +#define KVM_TDX_MEASURE_MEMORY_REGION (1UL << 0)
> +
> +struct kvm_tdx_init_mem_region {
> + __u64 source_addr;
> + __u64 gpa;
> + __u64 nr_pages;
> +};
> +
> #endif /* _ASM_X86_KVM_H */
> diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
> index 26d215e85b76..fc258f112e73 100644
> --- a/arch/x86/kvm/mmu/mmu.c
> +++ b/arch/x86/kvm/mmu/mmu.c
> @@ -5663,6 +5663,7 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu)
> out:
> return r;
> }
> +EXPORT_SYMBOL(kvm_mmu_load);
>
> void kvm_mmu_unload(struct kvm_vcpu *vcpu)
> {
> diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c
> index 4cbcedff4f16..1a5a91b99de9 100644
> --- a/arch/x86/kvm/vmx/tdx.c
> +++ b/arch/x86/kvm/vmx/tdx.c
> @@ -591,6 +591,69 @@ static int tdx_mem_page_aug(struct kvm *kvm, gfn_t gfn,
> return 0;
> }
>
> +static int tdx_mem_page_add(struct kvm *kvm, gfn_t gfn,
> + enum pg_level level, kvm_pfn_t pfn)
> +{
> + struct kvm_tdx *kvm_tdx = to_kvm_tdx(kvm);
> + hpa_t hpa = pfn_to_hpa(pfn);
> + gpa_t gpa = gfn_to_gpa(gfn);
> + struct tdx_module_args out;
> + hpa_t source_pa;
> + bool measure;
> + u64 err;
> + int i;
> +
> + /*
> + * KVM_INIT_MEM_REGION, tdx_init_mem_region(), supports only 4K page
> + * because tdh_mem_page_add() supports only 4K page.
> + */
> + if (KVM_BUG_ON(level != PG_LEVEL_4K, kvm))
> + return -EINVAL;
> +
> + /*
> + * In case of TDP MMU, fault handler can run concurrently. Note
> + * 'source_pa' is a TD scope variable, meaning if there are multiple
> + * threads reaching here with all needing to access 'source_pa', it
> + * will break. However fortunately this won't happen, because below
> + * TDH_MEM_PAGE_ADD code path is only used when VM is being created
> + * before it is running, using KVM_TDX_INIT_MEM_REGION ioctl (which
> + * always uses vcpu 0's page table and protected by vcpu->mutex).
> + */
> + if (KVM_BUG_ON(kvm_tdx->source_pa == INVALID_PAGE, kvm)) {
> + tdx_unpin(kvm, pfn);
> + return -EINVAL;
> + }
> +
> + source_pa = kvm_tdx->source_pa & ~KVM_TDX_MEASURE_MEMORY_REGION;
> + measure = kvm_tdx->source_pa & KVM_TDX_MEASURE_MEMORY_REGION;
> + kvm_tdx->source_pa = INVALID_PAGE;
> +
> + do {
> + err = tdh_mem_page_add(kvm_tdx->tdr_pa, gpa, hpa, source_pa,
> + &out);
> + /*
> + * This path is executed during populating initial guest memory
> + * image. i.e. before running any vcpu. Race is rare.
> + */
> + } while (unlikely(err == TDX_ERROR_SEPT_BUSY));
For page add, since pages are added one by one, there should be no such
error, right?
> + if (KVM_BUG_ON(err, kvm)) {
> + pr_tdx_error(TDH_MEM_PAGE_ADD, err, &out);
> + tdx_unpin(kvm, pfn);
> + return -EIO;
> + } else if (measure) {
> + for (i = 0; i < PAGE_SIZE; i += TDX_EXTENDMR_CHUNKSIZE) {
> + err = tdh_mr_extend(kvm_tdx->tdr_pa, gpa + i, &out);
> + if (KVM_BUG_ON(err, &kvm_tdx->kvm)) {
> + pr_tdx_error(TDH_MR_EXTEND, err, &out);
> + break;
> + }
> + }
> + }
> +
> + return 0;
> +
> +}
> +
> static int tdx_sept_set_private_spte(struct kvm *kvm, gfn_t gfn,
> enum pg_level level, kvm_pfn_t pfn)
> {
> @@ -613,9 +676,7 @@ static int tdx_sept_set_private_spte(struct kvm *kvm, gfn_t gfn,
> if (likely(is_td_finalized(kvm_tdx)))
> return tdx_mem_page_aug(kvm, gfn, level, pfn);
>
> - /* TODO: tdh_mem_page_add() comes here for the initial memory. */
> -
> - return 0;
> + return tdx_mem_page_add(kvm, gfn, level, pfn);
> }
>
> static int tdx_sept_drop_private_spte(struct kvm *kvm, gfn_t gfn,
> @@ -1322,6 +1383,96 @@ void tdx_flush_tlb_current(struct kvm_vcpu *vcpu)
> tdx_track(vcpu->kvm);
> }
>
> +#define TDX_SEPT_PFERR (PFERR_WRITE_MASK | PFERR_GUEST_ENC_MASK)
> +
> +static int tdx_init_mem_region(struct kvm *kvm, struct kvm_tdx_cmd *cmd)
> +{
> + struct kvm_tdx *kvm_tdx = to_kvm_tdx(kvm);
> + struct kvm_tdx_init_mem_region region;
> + struct kvm_vcpu *vcpu;
> + struct page *page;
> + int idx, ret = 0;
> + bool added = false;
> +
> + /* Once TD is finalized, the initial guest memory is fixed. */
> + if (is_td_finalized(kvm_tdx))
> + return -EINVAL;
> +
> + /* The BSP vCPU must be created before initializing memory regions. */
> + if (!atomic_read(&kvm->online_vcpus))
> + return -EINVAL;
> +
> + if (cmd->flags & ~KVM_TDX_MEASURE_MEMORY_REGION)
> + return -EINVAL;
> +
> + if (copy_from_user(®ion, (void __user *)cmd->data, sizeof(region)))
> + return -EFAULT;
> +
> + /* Sanity check */
> + if (!IS_ALIGNED(region.source_addr, PAGE_SIZE) ||
> + !IS_ALIGNED(region.gpa, PAGE_SIZE) ||
> + !region.nr_pages ||
> + region.nr_pages & GENMASK_ULL(63, 63 - PAGE_SHIFT) ||
> + region.gpa + (region.nr_pages << PAGE_SHIFT) <= region.gpa ||
> + !kvm_is_private_gpa(kvm, region.gpa) ||
> + !kvm_is_private_gpa(kvm, region.gpa + (region.nr_pages << PAGE_SHIFT)))
> + return -EINVAL;
> +
> + vcpu = kvm_get_vcpu(kvm, 0);
> + if (mutex_lock_killable(&vcpu->mutex))
> + return -EINTR;
> +
> + vcpu_load(vcpu);
> + idx = srcu_read_lock(&kvm->srcu);
> +
> + kvm_mmu_reload(vcpu);
> +
> + while (region.nr_pages) {
> + if (signal_pending(current)) {
> + ret = -ERESTARTSYS;
> + break;
> + }
> +
> + if (need_resched())
> + cond_resched();
> +
> + /* Pin the source page. */
> + ret = get_user_pages_fast(region.source_addr, 1, 0, &page);
> + if (ret < 0)
> + break;
> + if (ret != 1) {
> + ret = -ENOMEM;
> + break;
> + }
> +
> + kvm_tdx->source_pa = pfn_to_hpa(page_to_pfn(page)) |
> + (cmd->flags & KVM_TDX_MEASURE_MEMORY_REGION);
> +
> + ret = kvm_mmu_map_tdp_page(vcpu, region.gpa, TDX_SEPT_PFERR,
> + PG_LEVEL_4K);
> + put_page(page);
> + if (ret)
> + break;
> +
> + region.source_addr += PAGE_SIZE;
> + region.gpa += PAGE_SIZE;
> + region.nr_pages--;
> + added = true;
> + }
> +
> + srcu_read_unlock(&kvm->srcu, idx);
> + vcpu_put(vcpu);
> +
> + mutex_unlock(&vcpu->mutex);
> +
> + if (added && region.nr_pages > 0)
> + ret = -EAGAIN;
> + if (copy_to_user((void __user *)cmd->data, ®ion, sizeof(region)))
> + ret = -EFAULT;
> +
> + return ret;
> +}
> +
> int tdx_vm_ioctl(struct kvm *kvm, void __user *argp)
> {
> struct kvm_tdx_cmd tdx_cmd;
> @@ -1341,6 +1492,9 @@ int tdx_vm_ioctl(struct kvm *kvm, void __user *argp)
> case KVM_TDX_INIT_VM:
> r = tdx_td_init(kvm, &tdx_cmd);
> break;
> + case KVM_TDX_INIT_MEM_REGION:
> + r = tdx_init_mem_region(kvm, &tdx_cmd);
> + break;
> default:
> r = -EINVAL;
> goto out;
> diff --git a/arch/x86/kvm/vmx/tdx.h b/arch/x86/kvm/vmx/tdx.h
> index 783ce329d7da..d589a2caedfb 100644
> --- a/arch/x86/kvm/vmx/tdx.h
> +++ b/arch/x86/kvm/vmx/tdx.h
> @@ -17,6 +17,8 @@ struct kvm_tdx {
> u64 xfam;
> int hkid;
>
> + hpa_t source_pa;
> +
> bool finalized;
> atomic_t tdh_mem_track;
>
next prev parent reply other threads:[~2024-02-19 8:54 UTC|newest]
Thread overview: 212+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-22 23:52 [PATCH v18 000/121] KVM TDX basic feature support isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 001/121] x86/virt/tdx: Export TDX KeyID information isaku.yamahata
2024-02-01 1:57 ` Yuan Yao
2024-02-26 18:46 ` Isaku Yamahata
2024-01-22 23:52 ` [PATCH v18 002/121] x86/virt/tdx: Export SEAMCALL functions isaku.yamahata
2024-02-08 13:30 ` Paolo Bonzini
2024-02-26 17:51 ` Isaku Yamahata
2024-01-22 23:52 ` [PATCH v18 003/121] KVM: x86: Add is_vm_type_supported callback isaku.yamahata
2024-01-29 6:54 ` Yuan Yao
2024-01-22 23:52 ` [PATCH v18 004/121] KVM: VMX: Move out vmx_x86_ops to 'main.c' to wrap VMX and TDX isaku.yamahata
2024-01-29 7:03 ` Yuan Yao
2024-01-31 14:34 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 005/121] KVM: x86/vmx: initialize loaded_vmcss_on_cpu in vmx_hardware_setup() isaku.yamahata
2024-01-29 7:50 ` Yuan Yao
2024-01-22 23:52 ` [PATCH v18 006/121] KVM: x86/vmx: Refactor KVM VMX module init/exit functions isaku.yamahata
2024-02-01 1:41 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 007/121] KVM: VMX: Reorder vmx initialization with kvm vendor initialization isaku.yamahata
2024-01-23 3:42 ` Binbin Wu
2024-01-29 8:56 ` Yuan Yao
2024-02-01 1:47 ` Xiaoyao Li
2024-02-01 9:34 ` Xiaoyao Li
2024-02-26 18:48 ` Isaku Yamahata
2024-01-22 23:52 ` [PATCH v18 008/121] KVM: TDX: Initialize the TDX module when loading the KVM intel kernel module isaku.yamahata
2024-02-01 8:55 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 009/121] KVM: TDX: Add placeholders for TDX VM/vcpu structure isaku.yamahata
2024-02-01 9:39 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 010/121] KVM: TDX: Make TDX VM type supported isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 011/121] [MARKER] The start of TDX KVM patch series: TDX architectural definitions isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 012/121] KVM: TDX: Define " isaku.yamahata
2024-01-31 6:51 ` Yuan Yao
2024-02-02 1:02 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 013/121] KVM: TDX: Add TDX "architectural" error codes isaku.yamahata
2024-01-31 7:22 ` Yuan Yao
2024-02-02 8:04 ` Xiaoyao Li
2024-01-22 23:52 ` [PATCH v18 014/121] KVM: TDX: Add C wrapper functions for SEAMCALLs to the TDX module isaku.yamahata
2024-01-31 8:12 ` Yuan Yao
2024-01-22 23:52 ` [PATCH v18 015/121] KVM: TDX: Retry SEAMCALL on the lack of entropy error isaku.yamahata
2024-01-23 8:32 ` Binbin Wu
2024-02-12 10:05 ` Paolo Bonzini
2024-01-22 23:52 ` [PATCH v18 016/121] KVM: TDX: Add helper functions to print TDX SEAMCALL error isaku.yamahata
2024-02-01 1:47 ` Yuan Yao
2024-01-22 23:52 ` [PATCH v18 017/121] [MARKER] The start of TDX KVM patch series: TD VM creation/destruction isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 018/121] KVM: TDX: Add helper functions to allocate/free TDX private host key id isaku.yamahata
2024-01-23 9:26 ` Binbin Wu
2024-01-22 23:52 ` [PATCH v18 019/121] KVM: TDX: Add helper function to read TDX metadata in array isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 020/121] x86/virt/tdx: Get system-wide info about TDX module on initialization isaku.yamahata
2024-02-01 5:32 ` Yuan Yao
2024-01-22 23:52 ` [PATCH v18 021/121] KVM: TDX: Add place holder for TDX VM specific mem_enc_op ioctl isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 022/121] KVM: TDX: x86: Add ioctl to get TDX systemwide parameters isaku.yamahata
2024-01-22 23:52 ` [PATCH v18 023/121] KVM: TDX: Make KVM_CAP_MAX_VCPUS backend specific isaku.yamahata
2024-01-24 1:17 ` Binbin Wu
2024-02-01 6:16 ` Yuan Yao
2024-02-04 2:00 ` Binbin Wu
2024-02-26 18:52 ` Isaku Yamahata
2024-03-14 10:39 ` Chao Gao
2024-01-22 23:53 ` [PATCH v18 024/121] KVM: TDX: create/destroy VM structure isaku.yamahata
2024-02-01 8:32 ` Yuan Yao
2024-02-26 18:56 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 025/121] KVM: TDX: initialize VM with TDX specific parameters isaku.yamahata
2024-01-25 2:19 ` Binbin Wu
2024-02-26 18:57 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 026/121] KVM: TDX: Make pmu_intel.c ignore guest TD case isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 027/121] KVM: TDX: Refuse to unplug the last cpu on the package isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 028/121] [MARKER] The start of TDX KVM patch series: TD vcpu creation/destruction isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 029/121] KVM: TDX: create/free TDX vcpu structure isaku.yamahata
2024-01-25 3:06 ` Binbin Wu
2024-02-26 18:58 ` Isaku Yamahata
2024-02-20 2:53 ` Yuan Yao
2024-01-22 23:53 ` [PATCH v18 030/121] KVM: TDX: Do TDX specific vcpu initialization isaku.yamahata
2024-01-25 7:56 ` Binbin Wu
2024-02-26 19:01 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 031/121] [MARKER] The start of TDX KVM patch series: KVM MMU GPA shared bits isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 032/121] KVM: x86/mmu: introduce config for PRIVATE KVM MMU isaku.yamahata
2024-02-12 14:18 ` Paolo Bonzini
2024-02-13 2:57 ` Sean Christopherson
2024-02-13 16:47 ` Paolo Bonzini
2024-02-26 17:48 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 033/121] KVM: x86/mmu: Add address conversion functions for TDX shared bit of GPA isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 034/121] [MARKER] The start of TDX KVM patch series: KVM TDP refactoring for TDX isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 035/121] KVM: Allow page-sized MMU caches to be initialized with custom 64-bit values isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 036/121] KVM: x86/mmu: Replace hardcoded value 0 for the initial value for SPTE isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 037/121] KVM: x86/mmu: Allow non-zero value for non-present SPTE and removed SPTE isaku.yamahata
2024-01-28 13:29 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 038/121] KVM: x86/mmu: Add Suppress VE bit to shadow_mmio_mask/shadow_present_mask isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 039/121] KVM: x86/mmu: Track shadow MMIO value on a per-VM basis isaku.yamahata
2024-01-28 13:50 ` Binbin Wu
2024-02-26 19:03 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 040/121] KVM: x86/mmu: Disallow fast page fault on private GPA isaku.yamahata
2024-01-28 13:56 ` Binbin Wu
2024-02-12 17:01 ` Paolo Bonzini
2024-02-26 17:55 ` Isaku Yamahata
2024-02-26 18:02 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 041/121] KVM: x86/mmu: Allow per-VM override of the TDP max page level isaku.yamahata
2024-01-28 14:12 ` Binbin Wu
2024-02-12 10:34 ` Paolo Bonzini
2024-01-22 23:53 ` [PATCH v18 042/121] KVM: VMX: Introduce test mode related to EPT violation VE isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 043/121] [MARKER] The start of TDX KVM patch series: KVM TDP MMU hooks isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 044/121] KVM: x86/mmu: Assume guest MMIOs are shared isaku.yamahata
2024-02-12 10:29 ` Paolo Bonzini
2024-02-26 18:06 ` Isaku Yamahata
2024-02-26 18:39 ` Sean Christopherson
2024-01-22 23:53 ` [PATCH v18 045/121] KVM: x86/tdp_mmu: Init role member of struct kvm_mmu_page at allocation isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 046/121] KVM: x86/mmu: Add a new is_private member for union kvm_mmu_page_role isaku.yamahata
2024-01-29 1:50 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 047/121] KVM: x86/mmu: Add a private pointer to struct kvm_mmu_page isaku.yamahata
2024-01-29 4:29 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 048/121] KVM: x86/tdp_mmu: Don't zap private pages for unsupported cases isaku.yamahata
2024-01-30 6:09 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 049/121] KVM: x86/tdp_mmu: Apply mmu notifier callback to only shared GPA isaku.yamahata
2024-01-30 7:19 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 050/121] KVM: x86/tdp_mmu: Sprinkle __must_check isaku.yamahata
2024-01-30 8:14 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 051/121] KVM: x86/tdp_mmu: Support TDX private mapping for TDP MMU isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 052/121] [MARKER] The start of TDX KVM patch series: TDX EPT violation isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 053/121] KVM: x86/mmu: TDX: Do not enable page track for TD guest isaku.yamahata
2024-02-04 8:46 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 054/121] KVM: VMX: Split out guts of EPT violation to common/exposed function isaku.yamahata
2024-02-04 8:53 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 055/121] KVM: VMX: Move setting of EPT MMU masks to common VT-x code isaku.yamahata
2024-02-04 9:21 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 056/121] KVM: TDX: Add accessors VMX VMCS helpers isaku.yamahata
2024-02-05 1:53 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 057/121] KVM: TDX: Add load_mmu_pgd method for TDX isaku.yamahata
2024-02-05 2:23 ` Binbin Wu
2024-02-26 19:15 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 058/121] KVM: TDX: Retry seamcall when TDX_OPERAND_BUSY with operand SEPT isaku.yamahata
2024-02-05 3:14 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 059/121] KVM: TDX: Require TDP MMU and mmio caching for TDX isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 060/121] KVM: TDX: TDP MMU TDX support isaku.yamahata
2024-01-23 8:43 ` Chenyi Qiang
2024-01-30 15:31 ` Binbin Wu
2024-02-26 19:21 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 061/121] KVM: TDX: MTRR: implement get_mt_mask() for TDX isaku.yamahata
2024-02-19 5:20 ` Binbin Wu
2024-02-26 19:22 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 062/121] [MARKER] The start of TDX KVM patch series: TD finalization isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 063/121] KVM: x86/mmu: Introduce kvm_mmu_map_tdp_page() for use by TDX isaku.yamahata
2024-02-06 19:26 ` Sagi Shahar
2024-01-22 23:53 ` [PATCH v18 064/121] KVM: TDX: Create initial guest memory isaku.yamahata
2024-02-01 0:20 ` Sean Christopherson
2024-02-01 23:06 ` David Matlack
2024-02-26 18:07 ` Isaku Yamahata
2024-02-26 18:50 ` Sean Christopherson
2024-02-27 14:12 ` Isaku Yamahata
2024-02-27 17:30 ` Sean Christopherson
2024-03-08 1:07 ` Isaku Yamahata
2024-02-19 8:54 ` Binbin Wu [this message]
2024-01-22 23:53 ` [PATCH v18 065/121] KVM: TDX: Finalize VM initialization isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 066/121] [MARKER] The start of TDX KVM patch series: TD vcpu enter/exit isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 067/121] KVM: TDX: Implement TDX vcpu enter/exit path isaku.yamahata
2024-02-20 7:27 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 068/121] KVM: TDX: vcpu_run: save/restore host state(host kernel gs) isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 069/121] KVM: TDX: restore host xsave state when exit from the guest TD isaku.yamahata
2024-02-20 8:56 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 070/121] KVM: x86: Allow to update cached values in kvm_user_return_msrs w/o wrmsr isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 071/121] KVM: TDX: restore user ret MSRs isaku.yamahata
2024-02-20 9:14 ` Binbin Wu
2024-02-26 19:24 ` Isaku Yamahata
2024-01-22 23:53 ` [PATCH v18 072/121] KVM: TDX: Add TSX_CTRL msr into uret_msrs list isaku.yamahata
2024-02-21 6:59 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 073/121] [MARKER] The start of TDX KVM patch series: TD vcpu exits/interrupts/hypercalls isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 074/121] KVM: TDX: complete interrupts after tdexit isaku.yamahata
2024-02-22 14:37 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 075/121] KVM: TDX: restore debug store when TD exit isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 076/121] KVM: TDX: handle vcpu migration over logical processor isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 077/121] KVM: x86: Add a switch_db_regs flag to handle TDX's auto-switched behavior isaku.yamahata
2024-02-26 1:27 ` Binbin Wu
2024-01-22 23:53 ` [PATCH v18 078/121] KVM: TDX: Add support for find pending IRQ in a protected local APIC isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 079/121] KVM: x86: Assume timer IRQ was injected if APIC state is proteced isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 080/121] KVM: TDX: remove use of struct vcpu_vmx from posted_interrupt.c isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 081/121] KVM: TDX: Implement interrupt injection isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 082/121] KVM: TDX: Implements vcpu request_immediate_exit isaku.yamahata
2024-01-22 23:53 ` [PATCH v18 083/121] KVM: TDX: Implement methods to inject NMI isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 084/121] KVM: VMX: Modify NMI and INTR handlers to take intr_info as function argument isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 085/121] KVM: VMX: Move NMI/exception handler to common helper isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 086/121] KVM: x86: Split core of hypercall emulation to helper function isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 087/121] KVM: TDX: Add a place holder to handle TDX VM exit isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 088/121] KVM: TDX: Handle vmentry failure for INTEL TD guest isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 089/121] KVM: TDX: handle EXIT_REASON_OTHER_SMI isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 090/121] KVM: TDX: handle ept violation/misconfig exit isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 091/121] KVM: TDX: handle EXCEPTION_NMI and EXTERNAL_INTERRUPT isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 092/121] KVM: TDX: Handle EXIT_REASON_OTHER_SMI with MSMI isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 093/121] KVM: TDX: Add a place holder for handler of TDX hypercalls (TDG.VP.VMCALL) isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 094/121] KVM: TDX: handle KVM hypercall with TDG.VP.VMCALL isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 095/121] KVM: TDX: Add KVM Exit for TDX TDG.VP.VMCALL isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 096/121] KVM: TDX: Handle TDX PV CPUID hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 097/121] KVM: TDX: Handle TDX PV HLT hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 098/121] KVM: TDX: Handle TDX PV port io hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 099/121] KVM: TDX: Handle TDX PV MMIO hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 100/121] KVM: TDX: Implement callbacks for MSR operations for TDX isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 101/121] KVM: TDX: Handle TDX PV rdmsr/wrmsr hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 102/121] KVM: TDX: Handle MSR MTRRCap and MTRRDefType access isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 103/121] KVM: TDX: Handle MSR IA32_FEAT_CTL MSR and IA32_MCG_EXT_CTL isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 104/121] KVM: TDX: Handle TDG.VP.VMCALL<GetTdVmCallInfo> hypercall isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 105/121] KVM: TDX: Silently discard SMI request isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 106/121] KVM: TDX: Silently ignore INIT/SIPI isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 107/121] KVM: TDX: Add methods to ignore accesses to CPU state isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 108/121] KVM: TDX: Add methods to ignore guest instruction emulation isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 109/121] KVM: TDX: Add a method to ignore dirty logging isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 110/121] KVM: TDX: Add methods to ignore VMX preemption timer isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 111/121] KVM: TDX: Add methods to ignore accesses to TSC isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 112/121] KVM: TDX: Ignore setting up mce isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 113/121] KVM: TDX: Add a method to ignore for TDX to ignore hypercall patch isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 114/121] KVM: TDX: Add methods to ignore virtual apic related operation isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 115/121] KVM: TDX: Inhibit APICv for TDX guest isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 116/121] Documentation/virt/kvm: Document on Trust Domain Extensions(TDX) isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 117/121] KVM: x86: design documentation on TDX support of x86 KVM TDP MMU isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 118/121] KVM: TDX: Add hint TDX ioctl to release Secure-EPT isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 119/121] RFC: KVM: x86: Add x86 callback to check cpuid isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 120/121] RFC: KVM: x86, TDX: Add check for KVM_SET_CPUID2 isaku.yamahata
2024-01-22 23:54 ` [PATCH v18 121/121] [MARKER] the end of (the first phase of) TDX KVM patch series isaku.yamahata
2024-01-29 6:21 ` [PATCH v18 000/121] KVM TDX basic feature support Yuan Yao
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