From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (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 0C0F62BD590 for ; Mon, 15 Sep 2025 20:43:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757969035; cv=none; b=CK7Gtc77LKrDN6OdyFxrChPPjsYGXquR6bEKZNz7vH+eUPWGeny0mf4qViGruaZpBi2AN4fF+ka9WHbz9pQeGrTZKA8DwctBOsspW1S9CvGVLQyoUgCeRJdfuix2Wrwc83AoUsxAzdc+uWSV76KRxYwCZ/4ynT3QSfbHC1dEQJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757969035; c=relaxed/simple; bh=D0i2y553ts4zAdqWL49gsYITlggsfUc3LBYrpV4lZ44=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OAg7VqY/Eu+8vJXuvEDAr9KuvtZIU7qHxdvixU+xC3zsuqscp4DzA6k3lPMdxAQe0ZI4mcMpz8gw3YmMHqTYxPswxKUZ+1DqQKRM/H8tjREBec5bb+WTGd6Quu0o48qh2ZbQpUUIGpMJOv0BoIj3Qvfpbags2KqjmzU93gvdMB0= 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=I08gPeZs; arc=none smtp.client-ip=209.85.216.73 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="I08gPeZs" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-32dd3e922fdso6741469a91.0 for ; Mon, 15 Sep 2025 13:43:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1757969033; x=1758573833; 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=XNZA4uufZxwJqfLrll9YsId4o3B4WIEaJu/+Ldkd6qU=; b=I08gPeZs41zLyiaEqmb1YINKYZl+hCF7zjDIjOtBUmJdL4i99WTxofFNDzxOApyItz 4peii7AbGopi0ZNu49vqEnvYeLXD+eRNKRa0fnB3Y4hLNQqtQl1sPB60Bh8COR26FSkg FS8UnQ43SOug8IeH08GEJt3v1S8B22xFx7qkJpwHfcyPgC4QrbnFH9Jb761NddS94GnV Pibb1WXGk7l4pYLytC3FXhMWvzjsF6I7LPGiHx6r+oN8MvU18n1puGPvj5+/dhi3Maqn hJHAhWFnZdsr+vLbohMTFQH+YVn7ddyF3ic7o7ct40P+1rsL/tW1RyB4hvC5fdlVzcCK QRoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757969033; x=1758573833; 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=XNZA4uufZxwJqfLrll9YsId4o3B4WIEaJu/+Ldkd6qU=; b=cpQekV6LK7HnN2FiUvKrP3kcJCSOIqDpp0fq2YSFGvlgLbSxEvLD9PaaH3m7H9/UKn +c4tLnpTCccRoATMSU39/U6PAnaPMQybWxVx7YNzovSRzJA+QAkC7FZfwVRymwzrSopb /rb1eoI0JRNwxamyrmiT/ZHJuIf1g74802p29Gou2P80yPYwUCVzS7y1cQC97JoZw/b9 vog2+ErYJMbRfV93BFG+c2NEoykvW8RYYQpUaoOpSPKY2j7UCiXaQwecLm7oAPAuktuM RNCuqsKm0Ut8XqFtpyRi8PQvyl2paw7RTTdOW537exInshYFP+lSDz5vHe5N3fLBeMn9 ZRcA== X-Forwarded-Encrypted: i=1; AJvYcCUrwUW6R0RKIua5iTPSnMUzY3dML961cfnKC+4/Ed7NmOqURXp+WYCsYsFIde8s/RNgztSJd/SJcDirwJc=@vger.kernel.org X-Gm-Message-State: AOJu0YzVd3dpk4F7CymvXQzVlVt36two0UDNQB4aLAzWYdUZ7sijD+T4 oH/XJYk6oeNsJGdGJIzTjI8AKuQ3wuZ+a2phwP64FCcPEqItGWOKibNlbYWySLU16cNPOGNfCU2 bnc+xXg== X-Google-Smtp-Source: AGHT+IH+uR1I1C2NAlNo4rUt8n44OCfJyHV5fHAdjAp78kGEwsK1T5RTEklC9dBKFtDNjZXaGXlVOdusr4s= X-Received: from pjbsc7.prod.google.com ([2002:a17:90b:5107:b0:32e:529e:ca6f]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:5107:b0:32e:528c:60d5 with SMTP id 98e67ed59e1d1-32e528c62fcmr6530244a91.29.1757969033304; Mon, 15 Sep 2025 13:43:53 -0700 (PDT) Date: Mon, 15 Sep 2025 13:43:51 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250912232319.429659-1-seanjc@google.com> <20250912232319.429659-26-seanjc@google.com> Message-ID: Subject: Re: [PATCH v15 25/41] KVM: x86: SVM: Emulate reads and writes to shadow stack MSRs From: Sean Christopherson To: Xin Li Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Tom Lendacky , Mathias Krause , John Allen , Rick Edgecombe , Chao Gao , Maxim Levitsky , Xiaoyao Li Content-Type: text/plain; charset="us-ascii" On Mon, Sep 15, 2025, Xin Li wrote: > On 9/12/2025 4:23 PM, Sean Christopherson wrote: > > From: John Allen > > > > Emulate shadow stack MSR access by reading and writing to the > > corresponding fields in the VMCB. > > > > Signed-off-by: John Allen > > [sean: mark VMCB_CET dirty/clean as appropriate] > > Signed-off-by: Sean Christopherson > > For the shortlog, shouldn't we use "KVM: SVM:"? Yep, I simply missed that goof. Thanks!