From: David Rientjes <rientjes@google.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/sev: Fix SEV check in sev_map_percpu_data()
Date: Tue, 2 Jan 2024 10:27:34 -0800 (PST) [thread overview]
Message-ID: <cb702fe9-11a6-8a0c-925a-179cb3f6c516@google.com> (raw)
In-Reply-To: <20240102133747.27053-1-kirill.shutemov@linux.intel.com>
On Tue, 2 Jan 2024, Kirill A. Shutemov wrote:
> The function sev_map_percpu_data() checks if it is running on an SEV
> platform by checking the CC_ATTR_GUEST_MEM_ENCRYPT attribute. However,
> this attribute is also defined for TDX.
>
> To avoid false positives, add a cc_vendor check.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Rientjes <rientjes@google.com>
prev parent reply other threads:[~2024-01-02 18:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 13:37 Kirill A. Shutemov
2024-01-02 14:31 ` Borislav Petkov
2024-01-02 18:27 ` David Rientjes [this message]
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