Re: [PATCH v4 10/11] x86/vmscape: Override conflicting attack-vector controls with =force

From: Nikolay Borisov

Date: Fri Nov 21 2025 - 13:04:07 EST




On 11/20/25 08:20, Pawan Gupta wrote:
vmscape=force option currently defaults to AUTO mitigation. This is not
correct because attack-vector controls override a mitigation when in AUTO
mode. This prevents a user from being able to force VMSCAPE mitigation when
it conflicts with attack-vector controls.

Kernel should deploy a forced mitigation irrespective of attack vectors.
Instead of AUTO, use VMSCAPE_MITIGATION_ON that wins over attack-vector
controls.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>

Reviewed-by: Nikolay Borisov <nik.borisov@xxxxxxxx>