Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically

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Subject: Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
From: "Huang, Kai" <kai.huang@xxxxxxxxx>
Date: Mon, 25 Nov 2024 12:08:59 +0000
Accept-language: en-US
Cc: "Li, Xiaoyao" <xiaoyao.li@xxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "yuan.yao@xxxxxxxxxxxxxxx" <yuan.yao@xxxxxxxxxxxxxxx>, "Edgecombe, Rick P" <rick.p.edgecombe@xxxxxxxxx>, "Yamahata, Isaku" <isaku.yamahata@xxxxxxxxx>
In-reply-to: <57d308a8-0ce5-41f8-aef4-33d36723c434@linux.intel.com>
References: <ZyLWMGcgj76YizSw@google.com> <1cace497215b025ed8b5f7815bdeb23382ecad32.camel@intel.com> <ZyUEMLoy6U3L4E8v@google.com> <f95cd8c6-af5c-4d8f-99a8-16d0ec56d9a4@linux.intel.com> <95c92ff265cfa48f5459009d48a161e5cbe7ab3d.camel@intel.com> <ZymDgtd3VquVwsn_@google.com> <662b4aa037bfd5e8f3653a833b460f18636e2bc1.camel@intel.com> <cef7b663-bc6d-44a1-9d5e-736aa097ea68@linux.intel.com> <e2c19b20b11c307cc6b4ae47cd7f891e690b419b.camel@intel.com> <b7fd2ddf-77a4-423c-b5cf-36505997990d@linux.intel.com> <ZyuLf5evSQlZqG6w@google.com> <57d308a8-0ce5-41f8-aef4-33d36723c434@linux.intel.com>
User-agent: Evolution 3.54.1 (3.54.1-1.fc41)

> > 
> Based on the previous discussions, is the below code expected?
> If so, I am gonna use __kvm_emulate_hypercall() and kvm_complete_hypercall_exit()
> in TDX code for handling KVM hypercalls.
> 

LGTM.

References:
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Sean Christopherson
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Huang, Kai
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Sean Christopherson
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Binbin Wu
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Huang, Kai
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Sean Christopherson
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Huang, Kai
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Binbin Wu
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Huang, Kai
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Binbin Wu
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Sean Christopherson
- Re: [PATCH v3 1/2] KVM: x86: Check hypercall's exit to userspace generically
  - From: Binbin Wu

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