Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot

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To: "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>
Subject: Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
From: "Huang, Kai" <kai.huang@xxxxxxxxx>
Date: Tue, 20 Jun 2023 10:42:32 +0000
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On Tue, 2023-06-20 at 10:11 +0200, Peter Zijlstra wrote:
> On Mon, Jun 12, 2023 at 03:06:48AM +0000, Huang, Kai wrote:
> 
> > +       __mb();
> 
> __mb() is not a valid interface to use.

Thanks for feedback!

May I ask why, for education purpose? :)

Follow-Ups:
- Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
  - From: Peter Zijlstra

References:
- [PATCH v11 00/20] TDX host kernel support
  - From: Kai Huang
- [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
  - From: Kai Huang
- Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
  - From: kirill . shutemov
- Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
  - From: Huang, Kai
- Re: [PATCH v11 18/20] x86: Handle TDX erratum to reset TDX private memory during kexec() and reboot
  - From: Peter Zijlstra

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