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Date:   Tue, 1 Jun 2021 16:39:53 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Pu Wen <puwen@hygon.cn>
Cc:     Joerg Roedel <jroedel@suse.de>,
        Sean Christopherson <seanjc@google.com>, x86@kernel.org,
        joro@8bytes.org, thomas.lendacky@amd.com,
        dave.hansen@linux.intel.com, peterz@infradead.org,
        tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
        sashal@kernel.org, gregkh@linuxfoundation.org,
        linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [PATCH] x86/sev: Check whether SEV or SME is supported first
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On Mon, May 31, 2021 at 10:56:50PM +0800, Pu Wen wrote:
> Thanks for your suggestion, I'll try to set up early #GP handler to fix
> the problem.

Why? AFAICT, you only need to return early in sme_enable() if CPUID is
not "AuthenticAMD". Just do that please.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette