Re: [PATCH v2] KVM: x86/tdx: Do not print error message on non-present feature

On 7/29/26 11:59, Jiri Slaby (SUSE) wrote:
> Before commit 165e77353831 below, the kernel did not print anything
> during boot if X86_FEATURE_TDX_HOST_PLATFORM was not present, unless TDX
> enablement was explicitly requested via a module parameter.
> 
> After the commit, when attempting to load TDX automatically, this is
> emitted to the log:
>    virt/tdx: TDX not supported by the host platform
> 
> It is emitted with the "error" level, hence it is disturbing. It is not
> an error to run CPUs without the feature.
> 
> Drop this silent-boot-breaking error message for the automatic
> initialization path.
> 
> Signed-off-by: Jiri Slaby (SUSE) <[email protected]>
> Fixes: 165e77353831 ("KVM: x86/tdx: Do VMXON and TDX-Module initialization during subsys init")
> Reviewed-by: Kiryl Shutsemau (Meta) <[email protected]>
> Cc: Dan Williams <[email protected]>
> Cc: Chao Gao <[email protected]>
> Cc: Dave Hansen <[email protected]>
> Cc: Sean Christopherson <[email protected]> 


Reviewed-by: Nikolay Borisov <[email protected]>