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SubjectRE: [PATCH v6 0/6] Support TDX guests on Hyper-V
Date
> From: Dexuan Cui <decui@microsoft.com>
> Sent: Thursday, May 4, 2023 3:54 PM
> To: ak@linux.intel.com; arnd@arndb.de; bp@alien8.de;
> brijesh.singh@amd.com; dan.j.williams@intel.com;
> dave.hansen@linux.intel.com; Haiyang Zhang <haiyangz@microsoft.com>;
> hpa@zytor.com; jane.chu@oracle.com; kirill.shutemov@linux.intel.com; KY
> Srinivasan <kys@microsoft.com>; linux-arch@vger.kernel.org;
> linux-hyperv@vger.kernel.org; luto@kernel.org; mingo@redhat.com;
> peterz@infradead.org; rostedt@goodmis.org;
> sathyanarayanan.kuppuswamy@linux.intel.com; seanjc@google.com;
> tglx@linutronix.de; tony.luck@intel.com; wei.liu@kernel.org; x86@kernel.org;
> Michael Kelley (LINUX) <mikelley@microsoft.com>
> Cc: linux-kernel@vger.kernel.org; Tianyu Lan <Tianyu.Lan@microsoft.com>;
> Dexuan Cui <decui@microsoft.com>
> Subject: [PATCH v6 0/6] Support TDX guests on Hyper-V
>
> The patchset adds the Hyper-V specific code so that a TDX guest can run
> on Hyper-V. Please review.
>
> The v6 patchset is based on today's mainline (a1fd058b07d5).
>
> The v6 patchset addressed Michael's comments on patch 5:
> Removed 2 unnecessary lines of messages from the commit log.
> Fixed the error handling path for hv_synic_alloc()/free().
> Printed the 'ret' in hv_synic_alloc()/free().
>
> @Michael Kelley: Can you please review patch 5?

Thanks Michael for your Reviewed-by on patch 5.

> @x86 maintainers:
> If the patches look good to you, can you please take patch 1 and 2
> into the tip tree?

Hi Dave and all, could you please take a look at the patchset?

The patchset can also be viewed here:
https://lwn.net/ml/linux-kernel/20230504225351.10765-1-decui%40microsoft.com/

> @Wei Liu: I think patch 3, 4, 5, 6 should go through the Hyper-V tree
> since they change the Hyper-V code.
>
> If you want to view the patches on github, it is here:
> https://github.com/dcui/tdx/commits/decui/mainline/v6
>
> FYI, v1-v5 are here:
> <snipped> on 5/23/2023
>
> Thanks,
> Dexuan
>
> Dexuan Cui (6):
> 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
> x86/hyperv: Fix serial console interrupts for TDX guests
>
> arch/x86/coco/tdx/tdx.c | 122
> ++++++++++++++++++++++-------
> arch/x86/hyperv/hv_apic.c | 6 +-
> arch/x86/hyperv/hv_init.c | 27 ++++++-
> arch/x86/hyperv/ivm.c | 20 +++++
> arch/x86/include/asm/hyperv-tlfs.h | 3 +-
> arch/x86/include/asm/mshyperv.h | 20 +++++
> arch/x86/kernel/cpu/mshyperv.c | 43 ++++++++++
> drivers/hv/hv.c | 65 ++++++++++++++-
> drivers/hv/hv_common.c | 30 +++++++
> include/asm-generic/mshyperv.h | 1 +
> 10 files changed, 300 insertions(+), 37 deletions(-)

Thanks,
-- Dexuan

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