From: isaku.yamahata@intel.com
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H . Peter Anvin" <hpa@zytor.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
erdemaktas@google.com, Connor Kuehl <ckuehl@redhat.com>,
Sean Christopherson <seanjc@google.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com,
Sean Christopherson <sean.j.christopherson@intel.com>,
Kai Huang <kai.huang@linux.intel.com>,
Xiaoyao Li <xiaoyao.li@intel.com>
Subject: [RFC PATCH v3 06/59] KVM: TDX: Add C wrapper functions for TDX SEAMCALLs
Date: Wed, 24 Nov 2021 16:19:49 -0800 [thread overview]
Message-ID: <cf3704d32f204fd43de6c4c7708cb0ae5c1046f5.1637799475.git.isaku.yamahata@intel.com> (raw)
In-Reply-To: <cover.1637799475.git.isaku.yamahata@intel.com>
From: Sean Christopherson <sean.j.christopherson@intel.com>
TDX SEAMCALL interface is defined in the TDX module specification. Define
C wrapper functions for SEAMCALLs which the later patches will use.
Co-developed-by: Kai Huang <kai.huang@linux.intel.com>
Signed-off-by: Kai Huang <kai.huang@linux.intel.com>
Co-developed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
---
arch/x86/kvm/vmx/tdx_ops.h | 210 +++++++++++++++++++++++++++++++++++++
1 file changed, 210 insertions(+)
create mode 100644 arch/x86/kvm/vmx/tdx_ops.h
diff --git a/arch/x86/kvm/vmx/tdx_ops.h b/arch/x86/kvm/vmx/tdx_ops.h
new file mode 100644
index 000000000000..87ed67fd2715
--- /dev/null
+++ b/arch/x86/kvm/vmx/tdx_ops.h
@@ -0,0 +1,210 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* constants/data definitions for TDX SEAMCALLs */
+
+#ifndef __KVM_X86_TDX_OPS_H
+#define __KVM_X86_TDX_OPS_H
+
+#include <linux/compiler.h>
+
+#include <asm/asm.h>
+#include <asm/kvm_host.h>
+
+#include "seamcall.h"
+
+#ifdef CONFIG_INTEL_TDX_HOST
+
+static inline u64 tdh_mng_addcx(hpa_t tdr, hpa_t addr)
+{
+ return seamcall(TDH_MNG_ADDCX, addr, tdr, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_page_add(hpa_t tdr, gpa_t gpa, hpa_t hpa, hpa_t source,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_PAGE_ADD, gpa, tdr, hpa, source, 0, ex);
+}
+
+static inline u64 tdh_mem_sept_add(hpa_t tdr, gpa_t gpa, int level, hpa_t page,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_SEPT_ADD, gpa | level, tdr, page, 0, 0, ex);
+}
+
+static inline u64 tdh_vp_addcx(hpa_t tdvpr, hpa_t addr)
+{
+ return seamcall(TDH_VP_ADDCX, addr, tdvpr, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_page_aug(hpa_t tdr, gpa_t gpa, hpa_t hpa,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_PAGE_AUG, gpa, tdr, hpa, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_range_block(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_RANGE_BLOCK, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mng_key_config(hpa_t tdr)
+{
+ return seamcall(TDH_MNG_KEY_CONFIG, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mng_create(hpa_t tdr, int hkid)
+{
+ return seamcall(TDH_MNG_CREATE, tdr, hkid, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_vp_create(hpa_t tdr, hpa_t tdvpr)
+{
+ return seamcall(TDH_VP_CREATE, tdvpr, tdr, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mng_rd(hpa_t tdr, u64 field, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MNG_RD, tdr, field, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mng_wr(hpa_t tdr, u64 field, u64 val, u64 mask,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MNG_WR, tdr, field, val, mask, 0, ex);
+}
+
+static inline u64 tdh_mem_rd(hpa_t addr, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_RD, addr, 0, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_wr(hpa_t addr, u64 val, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_WR, addr, val, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_page_demote(hpa_t tdr, gpa_t gpa, int level, hpa_t page,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_PAGE_DEMOTE, gpa | level, tdr, page, 0, 0, ex);
+}
+
+static inline u64 tdh_mr_extend(hpa_t tdr, gpa_t gpa, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MR_EXTEND, gpa, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mr_finalize(hpa_t tdr)
+{
+ return seamcall(TDH_MR_FINALIZE, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_vp_flush(hpa_t tdvpr)
+{
+ return seamcall(TDH_VP_FLUSH, tdvpr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mng_vpflushdone(hpa_t tdr)
+{
+ return seamcall(TDH_MNG_VPFLUSHDONE, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mng_key_freeid(hpa_t tdr)
+{
+ return seamcall(TDH_MNG_KEY_FREEID, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mng_init(hpa_t tdr, hpa_t td_params, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MNG_INIT, tdr, td_params, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_vp_init(hpa_t tdvpr, u64 rcx)
+{
+ return seamcall(TDH_VP_INIT, tdvpr, rcx, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_page_promote(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_PAGE_PROMOTE, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_phymem_page_rdmd(hpa_t page, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_PHYMEM_PAGE_RDMD, page, 0, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_sept_rd(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_SEPT_RD, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_vp_rd(hpa_t tdvpr, u64 field, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_VP_RD, tdvpr, field, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mng_key_reclaimid(hpa_t tdr)
+{
+ return seamcall(TDH_MNG_KEY_RECLAIMID, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_phymem_page_reclaim(hpa_t page, struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_PHYMEM_PAGE_RECLAIM, page, 0, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_page_remove(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_PAGE_REMOVE, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_mem_sept_remove(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_SEPT_REMOVE, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_sys_lp_shutdown(void)
+{
+ return seamcall(TDH_SYS_LP_SHUTDOWN, 0, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_track(hpa_t tdr)
+{
+ return seamcall(TDH_MEM_TRACK, tdr, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_range_unblock(hpa_t tdr, gpa_t gpa, int level,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_RANGE_UNBLOCK, gpa | level, tdr, 0, 0, 0, ex);
+}
+
+static inline u64 tdh_phymem_cache_wb(bool resume)
+{
+ return seamcall(TDH_PHYMEM_CACHE_WB, resume ? 1 : 0, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_phymem_page_wbinvd(hpa_t page)
+{
+ return seamcall(TDH_PHYMEM_PAGE_WBINVD, page, 0, 0, 0, 0, NULL);
+}
+
+static inline u64 tdh_mem_sept_wr(hpa_t tdr, gpa_t gpa, int level, u64 val,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_MEM_SEPT_WR, gpa | level, tdr, val, 0, 0, ex);
+}
+
+static inline u64 tdh_vp_wr(hpa_t tdvpr, u64 field, u64 val, u64 mask,
+ struct tdx_ex_ret *ex)
+{
+ return seamcall(TDH_VP_WR, tdvpr, field, val, mask, 0, ex);
+}
+#endif /* CONFIG_INTEL_TDX_HOST */
+
+#endif /* __KVM_X86_TDX_OPS_H */
--
2.25.1
next prev parent reply other threads:[~2021-11-25 0:21 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-25 0:19 [RFC PATCH v3 00/59] KVM: X86: TDX support isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 01/59] x86/mktme: move out MKTME related constatnts/macro to msr-index.h isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 02/59] x86/mtrr: mask out keyid bits from variable mtrr mask register isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 03/59] KVM: TDX: Define TDX architectural definitions isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 04/59] KVM: TDX: Add TDX "architectural" error codes isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 05/59] KVM: TDX: add a helper function for kvm to call seamcall isaku.yamahata
2021-11-25 0:19 ` isaku.yamahata [this message]
2021-11-25 0:19 ` [RFC PATCH v3 07/59] KVM: TDX: Add helper functions to print TDX SEAMCALL error isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 08/59] KVM: Export kvm_io_bus_read for use by TDX for PV MMIO isaku.yamahata
2021-11-25 17:14 ` Thomas Gleixner
2021-11-25 0:19 ` [RFC PATCH v3 09/59] KVM: Enable hardware before doing arch VM initialization isaku.yamahata
2021-11-25 19:02 ` Thomas Gleixner
2021-11-25 0:19 ` [RFC PATCH v3 10/59] KVM: x86: Split core of hypercall emulation to helper function isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 11/59] KVM: x86: Export kvm_mmio tracepoint for use by TDX for PV MMIO isaku.yamahata
2021-11-25 0:19 ` [RFC PATCH v3 12/59] KVM: x86/mmu: Zap only leaf SPTEs for deleted/moved memslot by default isaku.yamahata
2021-11-25 19:04 ` Thomas Gleixner
2021-11-25 0:19 ` [RFC PATCH v3 13/59] KVM: Add max_vcpus field in common 'struct kvm' isaku.yamahata
2021-11-25 19:06 ` Thomas Gleixner
2021-11-25 0:19 ` [RFC PATCH v3 14/59] KVM: x86: Add vm_type to differentiate legacy VMs from protected VMs isaku.yamahata
2021-11-25 19:08 ` Thomas Gleixner
2021-11-29 17:35 ` Sean Christopherson
2021-12-01 19:37 ` Isaku Yamahata
2021-12-03 16:14 ` Sean Christopherson
2021-11-25 0:19 ` [RFC PATCH v3 15/59] KVM: x86: Introduce "protected guest" concept and block disallowed ioctls isaku.yamahata
2021-11-25 19:26 ` Thomas Gleixner
2021-11-25 0:19 ` [RFC PATCH v3 16/59] KVM: x86: Add per-VM flag to disable direct IRQ injection isaku.yamahata
2021-11-25 19:31 ` Thomas Gleixner
2021-11-29 2:49 ` Lai Jiangshan
2021-11-25 0:20 ` [RFC PATCH v3 17/59] KVM: x86: Add flag to disallow #MC injection / KVM_X86_SETUP_MCE isaku.yamahata
2021-11-25 19:33 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 18/59] KVM: x86: Add flag to mark TSC as immutable (for TDX) isaku.yamahata
2021-11-25 19:40 ` Thomas Gleixner
2021-11-29 18:05 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 19/59] KVM: Add per-VM flag to mark read-only memory as unsupported isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 20/59] KVM: Add per-VM flag to disable dirty logging of memslots for TDs isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 21/59] KVM: x86: Add per-VM flag to disable in-kernel I/O APIC and level routes isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 22/59] KVM: x86: add per-VM flags to disable SMI/INIT/SIPI isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 23/59] KVM: x86: Allow host-initiated WRMSR to set X2APIC regardless of CPUID isaku.yamahata
2021-11-25 19:41 ` Thomas Gleixner
2021-11-26 8:18 ` Paolo Bonzini
2021-11-29 21:21 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 24/59] KVM: x86: Add kvm_x86_ops .cache_gprs() and .flush_gprs() isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 25/59] KVM: x86: Add support for vCPU and device-scoped KVM_MEMORY_ENCRYPT_OP isaku.yamahata
2021-11-25 19:42 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 26/59] KVM: x86: Introduce vm_teardown() hook in kvm_arch_vm_destroy() isaku.yamahata
2021-11-25 19:46 ` Thomas Gleixner
2021-11-25 20:54 ` Paolo Bonzini
2021-11-25 21:11 ` Thomas Gleixner
2021-11-29 18:16 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 27/59] KVM: x86: Add a switch_db_regs flag to handle TDX's auto-switched behavior isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 28/59] KVM: x86: Check for pending APICv interrupt in kvm_vcpu_has_events() isaku.yamahata
2021-11-25 20:50 ` Paolo Bonzini
2021-11-29 19:20 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 29/59] KVM: x86: Add option to force LAPIC expiration wait isaku.yamahata
2021-11-25 19:53 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 30/59] KVM: x86: Add guest_supported_xss placholder isaku.yamahata
2021-11-25 19:55 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 31/59] KVM: x86: Add infrastructure for stolen GPA bits isaku.yamahata
2021-11-25 20:00 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 32/59] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 33/59] KVM: x86/mmu: Ignore bits 63 and 62 when checking for "present" SPTEs isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 34/59] KVM: x86/mmu: Allow non-zero init value for shadow PTE isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 35/59] KVM: x86/mmu: Return old SPTE from mmu_spte_clear_track_bits() isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 36/59] KVM: x86/mmu: Frame in support for private/inaccessible shadow pages isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 37/59] KVM: x86/mmu: Introduce kvm_mmu_map_tdp_page() for use by TDX isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 38/59] KVM: x86/mmu: Allow per-VM override of the TDP max page level isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 39/59] KVM: VMX: Modify NMI and INTR handlers to take intr_info as param isaku.yamahata
2021-11-25 20:06 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 40/59] KVM: VMX: Move NMI/exception handler to common helper isaku.yamahata
2021-11-25 20:06 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 41/59] KVM: VMX: Split out guts of EPT violation to common/exposed function isaku.yamahata
2021-11-25 20:07 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 42/59] KVM: VMX: Define EPT Violation architectural bits isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 43/59] KVM: VMX: Define VMCS encodings for shared EPT pointer isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 44/59] KVM: VMX: Add 'main.c' to wrap VMX and TDX isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 45/59] KVM: VMX: Move setting of EPT MMU masks to common VT-x code isaku.yamahata
2021-11-25 20:08 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 46/59] KVM: VMX: Move register caching logic to common code isaku.yamahata
2021-11-25 20:11 ` Thomas Gleixner
2021-11-25 20:17 ` Paolo Bonzini
2021-11-29 18:23 ` Sean Christopherson
2021-11-29 18:28 ` Paolo Bonzini
2021-11-25 0:20 ` [RFC PATCH v3 47/59] KVM: TDX: Define TDCALL exit reason isaku.yamahata
2021-11-25 20:19 ` Thomas Gleixner
2021-11-29 18:36 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 48/59] KVM: TDX: Stub in tdx.h with structs, accessors, and VMCS helpers isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 49/59] KVM: VMX: Add macro framework to read/write VMCS for VMs and TDs isaku.yamahata
2021-11-25 20:24 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 50/59] KVM: VMX: Move AR_BYTES encoder/decoder helpers to common.h isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 51/59] KVM: VMX: MOVE GDT and IDT accessors to common code isaku.yamahata
2021-11-25 20:25 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 52/59] KVM: VMX: Move .get_interrupt_shadow() implementation to common VMX code isaku.yamahata
2021-11-25 20:26 ` Thomas Gleixner
2021-11-25 0:20 ` [RFC PATCH v3 53/59] KVM: x86: Add a helper function to restore 4 host MSRs on exit to user space isaku.yamahata
2021-11-25 20:34 ` Thomas Gleixner
2021-11-26 9:19 ` Chao Gao
2021-11-26 9:40 ` Paolo Bonzini
2021-11-29 7:08 ` Lai Jiangshan
2021-11-29 9:26 ` Chao Gao
2021-11-30 4:58 ` Lai Jiangshan
2021-11-30 8:19 ` Chao Gao
2021-11-30 11:18 ` Lai Jiangshan
2021-11-25 0:20 ` [RFC PATCH v3 54/59] KVM: X86: Introduce initial_tsc_khz in struct kvm_arch isaku.yamahata
2021-11-25 20:48 ` Paolo Bonzini
2021-11-25 21:05 ` Thomas Gleixner
2021-11-25 22:13 ` Paolo Bonzini
2021-11-25 22:59 ` Thomas Gleixner
2021-11-25 23:26 ` Thomas Gleixner
2021-11-26 7:56 ` Paolo Bonzini
2021-11-29 23:38 ` Sean Christopherson
2021-11-25 0:20 ` [RFC PATCH v3 55/59] KVM: TDX: Add "basic" support for building and running Trust Domains isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 56/59] KVM: TDX: Protect private mapping related SEAMCALLs with spinlock isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 57/59] KVM, x86/mmu: Support TDX private mapping for TDP MMU isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 58/59] KVM: TDX: exit to user space on GET_QUOTE, SETUP_EVENT_NOTIFY_INTERRUPT isaku.yamahata
2021-11-25 0:20 ` [RFC PATCH v3 59/59] Documentation/virtual/kvm: Add Trust Domain Extensions(TDX) isaku.yamahata
2021-11-25 2:12 ` [RFC PATCH v3 00/59] KVM: X86: TDX support Xiaoyao Li
2021-11-30 18:51 ` Sean Christopherson
2021-12-01 13:22 ` Kai Huang
2021-12-01 19:08 ` Isaku Yamahata
2021-12-01 19:32 ` Sean Christopherson
2021-12-01 20:28 ` Kai Huang
2021-12-01 15:05 ` Paolo Bonzini
2021-12-01 20:16 ` Kai Huang
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