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Please review. Thanks! v1 is here: https://lwn.net/ml/linux-kernel/20221121195151.21812-1-decui@microsoft.com/ I think I addressed all the comments received against v1. Please let me know in case I missed anything. I added a section "changes in v2" in each patch: in patch 0002, the section contains a few questions. Please refer to the patch. This v2 pathset is based on the hyperv-next branch: https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/log/?h=hyperv-next Thanks, Dexuan Dexuan Cui (5): x86/tdx: Retry TDVMCALL_MAP_GPA() when needed x86/tdx: Support vmalloc() for tdx_enc_status_changed() x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests x86/hyperv: Support hypercalls for TDX guests Drivers: hv: vmbus: Support TDX guests Kirill A. Shutemov (1): x86/tdx: Expand __tdx_hypercall() to handle more arguments arch/x86/coco/tdx/tdcall.S | 82 +++++++++++++++------ arch/x86/coco/tdx/tdx.c | 113 ++++++++++++++++++++++------- arch/x86/hyperv/hv_init.c | 27 ++++++- arch/x86/hyperv/ivm.c | 28 +++++++ arch/x86/include/asm/hyperv-tlfs.h | 3 +- arch/x86/include/asm/mshyperv.h | 20 +++++ arch/x86/include/asm/shared/tdx.h | 6 ++ arch/x86/kernel/asm-offsets.c | 6 ++ arch/x86/kernel/cpu/mshyperv.c | 22 +++++- arch/x86/mm/pat/set_memory.c | 2 +- drivers/hv/connection.c | 4 +- drivers/hv/hv.c | 60 ++++++++++++++- drivers/hv/hv_common.c | 12 +++ drivers/hv/ring_buffer.c | 2 +- include/asm-generic/mshyperv.h | 2 + 15 files changed, 328 insertions(+), 61 deletions(-) -- 2.25.1