Re: [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base

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Subject: Re: [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Sun, 21 Nov 2021 16:17:56 +0100
Cc: kvm@xxxxxxxxxxxxxxx, Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>
In-reply-to: <20211118110814.2568-2-jiangshanlai@gmail.com>
References: <20211118110814.2568-1-jiangshanlai@gmail.com> <20211118110814.2568-2-jiangshanlai@gmail.com>

Lai,

On Thu, Nov 18 2021 at 19:08, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
>
> And they use FSGSBASE instructions when enabled.

That's really not a proper explanation for adding yet more exports.

Thanks,

        tglx

Follow-Ups:
- Re: [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base
  - From: Lai Jiangshan

References:
- [PATCH 00/15] KVM: X86: Miscellaneous cleanups
  - From: Lai Jiangshan
- [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base
  - From: Lai Jiangshan

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