From: Kiryl Shutsemau <kas@kernel.org>
To: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: seanjc@google.com, linux-kernel@vger.kernel.org,
Dan Williams <dan.j.williams@intel.com>,
Chao Gao <chao.gao@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
linux-coco@lists.linux.dev, kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: x86/tdx: Do not print error message on non-present feature
Date: Thu, 2 Jul 2026 15:07:17 +0100 [thread overview]
Message-ID: <akZwaHqZZzES793F@thinkstation> (raw)
In-Reply-To: <20260702043204.81741-1-jirislaby@kernel.org>
On Thu, Jul 02, 2026 at 06:32:04AM +0200, Jiri Slaby (SUSE) wrote:
> Before commit 165e77353831 below, the kernel did not print anything when
> X86_FEATURE_TDX_HOST_PLATFORM was not present in a cpu.
>
> After the commit, this is emitted to the log, with the error level:
> virt/tdx: TDX not supported by the host platform
>
> This is disturbing as it is not an error running CPUs without the
> feature.
>
> Drop the error message completely to revert to the state before
> 165e77353831.
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
> Fixes: 165e77353831 ("KVM: x86/tdx: Do VMXON and TDX-Module initialization during subsys init")
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Chao Gao <chao.gao@intel.com>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: Sean Christopherson <seanjc@google.com>
Reviewed-by: Kiryl Shutsemau (Meta) <kas@kernel.org>
--
Kiryl Shutsemau / Kirill A. Shutemov
next prev parent reply other threads:[~2026-07-02 14:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-02 4:32 [PATCH] KVM: x86/tdx: Do not print error message on non-present feature Jiri Slaby (SUSE)
2026-07-02 14:07 ` Kiryl Shutsemau [this message]
2026-07-06 16:54 ` Edgecombe, Rick P
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