From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 6D79226B2D3 for ; Fri, 23 Jan 2026 18:03:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769191433; cv=none; b=WowslN3kWg4CbG6QjGVGxVysEfEbPv9VCX5iQUngJXSP6SGbyEp8dJKgP9UZuNaufwK+u9Jsq9flMJ6V6UlVOCSAn1qU4ayrvOcmOb/U3sHzhXl57itSiLBJBViu/d8ldE24o76lNEetHNX17bxylUk7kbXlfqS/m7mu3yfH2xA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769191433; c=relaxed/simple; bh=csK3wY7bomyICAtsjZxPNjTHEv+oqWqGuHEZUYxiwGo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=seaf9akX7hvHGY7n/ks6KeS7Wi35/fPxMOu1BH+TD+p81PAp1sI++An5x9O4T4xXOoSZWTB7eUiuzhMbqt4x2beQiqbWDlBCjQ0F4o1Y4/GcXwXQALCxgUgJvUajAWYFb3TnLQlIluK8szc+LljeciTUScJETbktNz/gczpfX/o= 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=209.85.214.201 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-pl1-f201.google.com with SMTP id d9443c01a7336-2a07fa318fdso21165095ad.0 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=Z397iW7nPWS/FMx4axYGy3ryIHjl1yrlH8emFoF7iL2AbX3rckX7DGfwH7U2/w0QRQ g4vMaAQbRW9Ql07vofr/A/n1hBTGAjbz8nzyDzH/pbhHVW/baYhzVH2xgOdjeDrhOEPn c+2hKUyEwrP0TgiaRzPO7yF/kfPIcrb5kJPkYccL/ygxLCbbGrtK4jvUZfODj66Rny+3 Pszk9H/VUIayRHXdH3XbkX/FzvCmRU/9fHUFj6l4E8fIgACok/q1LQHQkpAOEoDZTFR1 pCRoPl+aZmdxZ+BCDksTNfNjM4bIvHx8dMomLAkyrWj85vxzROJ+lck5VhUwUxR81iZl w3xw== X-Forwarded-Encrypted: i=1; AJvYcCVtlZAfZm1I11jekAtAfw6UUkLSMphmgAAyBRE1ciI5LUSSvxby7nbz+4emB5ppUuaNw0hk/eUjFcefC5A=@vger.kernel.org X-Gm-Message-State: AOJu0YwIHjDtvnH7z0mEb+JDOIu5vvGCjw8esIjRFSLVMvUcp6Um1bsk VyTrcFAm8aZTumca643fX2utgZuiBL7Ki1Jn+bwE2IspxyXf2gw4kusk1cqedSNHkhKOhXbtkZJ vSE33XQ== 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: linux-kernel@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.