From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D6A4260592 for ; Fri, 23 Jan 2026 18:03:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769191434; cv=none; b=FriLihfNpa1xjIKGWYFUK1X9w2tswnt01rsirBaqk2dUv3lvdMQTwtka7s8ZcdlXY4EkvcdmtvC8hlNfWyhy1Epj+NuBWRdXuymg8iESEMMbfan86bCjUvO2+iJDuvvON6is0SjEgr4s6GX+1p3lY/FPpU6MYhyokasJWQWyKKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769191434; c=relaxed/simple; bh=csK3wY7bomyICAtsjZxPNjTHEv+oqWqGuHEZUYxiwGo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=bq/uG08sj326lKyGw6B7WjBFqhj0iu4MQE9HuiGGVNsfWnzI99wXrPx04g5CJ428FRYzrG2goem02Ve9rdHv70qelyMge4dqJB+v7/VBOrF5rdum8iJUuU4lWIPnxAokbGFpEoPbk0H36NdVCtM4xVbcTQIlWjoxUsQbNLE6x8o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=iVGwNKZl; arc=none smtp.client-ip=209.85.215.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="iVGwNKZl" Received: by mail-pg1-f201.google.com with SMTP id 41be03b00d2f7-c54e81eeab9so1546428a12.3 for ; Fri, 23 Jan 2026 10:03:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769191431; x=1769796231; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=QG6tBJ7Idtw9yE2G4FRQD7GOi3h3G6wNLsDk6lYZf1I=; b=iVGwNKZlCCpNlCDMjxSjSpoVMIP5+01dE4MLutcvVRxYeT9IKQpwpANKAGJQg89xfz DzCDv7rkIZ5Jz0gAu6wJdRRpocz32a6MgYBICUQbzXbNRpanW9SbkFJNXXf1uzO7B1ox MOHthga9BDk29aBcBqWGJQEjxGjo0taY8Fl1/hI9Wt+wWhaMlnjmuZ35IsaJtM1q3nYr 8i50zcW6VeGgHvYXQlJzg7dxVOh1VVxdX2Qx+FZ3YPBOB0cg3sWTIZqw2ZBcEWchuMMj H/E9ISu7jQ9iphm90g1yE+XnwHLcSkXlZljkQ3tqbGybgSWa6JQILy3P+aPVAD6CgJ+0 7IcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769191431; x=1769796231; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=QG6tBJ7Idtw9yE2G4FRQD7GOi3h3G6wNLsDk6lYZf1I=; b=H4DFhyN84RlAyeMaF/SxT/x5GzWvxHDsdo+E1l5wwg649c/0sW/i4VgBfkVBZeayhX vYTJsl047TzeQ/Hy+mqIoE4usvoe//naMHmUovWC4t7UbNl085gwvI5SqvVttQ0yrNPt ScO9Zf1IdrRxkZ1iTerkBX1fdQ7iTT/Azoa5J0c1+yN119vvOGWtxwfQrY2/vOzOhy78 Bq8VfsvjP3xMeUmQ5LYrFzja6D2lrVXL9g0dKCn704WDBSNgShKdoYvHYuZz5g+fuBlC eCkEzk/jQgzYSLboCJ3kXiypVfX3gsbeUZ93qH2DUAYxEp5OoI8j9jFlATtpGuCD5XKL z3kA== X-Forwarded-Encrypted: i=1; AJvYcCWm6t4gNZigA8lTkQPN/el7CB16VeYhg2BxgrqevO8+HIWHJxJJMXIksADyyzKq+F2pQgY=@vger.kernel.org X-Gm-Message-State: AOJu0YzdLJdIPhNyRz64TsvAeB+AGm13uPb94Sty8tu+b+EOiFhLMASj FOTnGvpmj8q1BhfR3ghHOukpRKH5XHir8PaVGjFYDkQE6wnUW4pcBUzUaVlhktCez20IGkecxma UXXQkEA== X-Received: from plek6.prod.google.com ([2002:a17:903:4506:b0:29f:1c3a:7fed]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d485:b0:2a7:c340:4c3d with SMTP id d9443c01a7336-2a80ebd16dbmr18180395ad.13.1769191430597; Fri, 23 Jan 2026 10:03:50 -0800 (PST) Date: Fri, 23 Jan 2026 10:03:49 -0800 In-Reply-To: <20251120050720.931449-2-zhao1.liu@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251120050720.931449-1-zhao1.liu@intel.com> <20251120050720.931449-2-zhao1.liu@intel.com> Message-ID: Subject: Re: [PATCH 1/4] KVM: x86: Advertise MOVRS CPUID to userspace From: Sean Christopherson To: Zhao Liu Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Chao Gao , Xudong Hao Content-Type: text/plain; charset="us-ascii" On Thu, Nov 20, 2025, Zhao Liu wrote: > Define and pass MOVRS CPUID through to userspace. The feature isn't passed through, per KVM's terminology. PASSTHROUGH_F() is specifically for features where KVM deliberately ignores host kernel manipuation and looks only at the raw CPUID output. I'll tweak the wording when applying.