From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8A975C54E4A for ; Thu, 7 Mar 2024 19:32:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:References:To:From:Subject: Cc:Message-Id:Date:Mime-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nZ977fJHngWTiglO7oFxamRWzHCYu18+G+blxGRis90=; b=QK2A83kgcd15ae YGx/w2fIwUDLZCnwwkHZDLHky1Nr05k0DN9HCoAoj2sHOZr4Glht7UazjZ4lRv5IURh8QK2jbV14H gTFijlgWJLfssqHGDvFX45APpQsFu3QFXALxpFy2lETLMb7cTEpCTbWGs7Rd/8tEpYaGwDK0gow9v zGGN712VmDom7smqxN02ZTT74s5U5ncFTwLPul4LV5CgFlQI1Q075G1kQaZlZyJeIY0mTl5vKDYgU WSF3wRtKaSdRTXnB5v0Ot+bVCMKam0KFCA8aPSdzR5aj6SuS75Go5FX361ec8vqUoMW/utuWCEdR6 Z8Urqj7aSGlFRTtGUR5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1riJTc-000000065io-0ljs; Thu, 07 Mar 2024 19:32:24 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1riJTY-000000065gR-0a9d for linux-arm-kernel@lists.infradead.org; Thu, 07 Mar 2024 19:32:22 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 3211CCE244F; Thu, 7 Mar 2024 19:32:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BACD8C43390; Thu, 7 Mar 2024 19:32:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709839937; bh=TXhaVJ7GnQctH6MS3SGDdX6MLHLH8awnbScWV9UkjqQ=; h=Date:Cc:Subject:From:To:References:In-Reply-To:From; b=DSSx0pmwjQkO9GS/HOxdniHdntYdsOXkE9MDzZ8JuN1gglQLarMv+/BZONB7aAPKR 4+crYH1NwJi/8DnyTimwzxMnop3y1gKNG0LH9WKKamzhtAS45nM73VYLyFd9taRMUQ 9K+1/j5YTSwZFcRhOYEhxoiKjjAkUr9Ye1oCqRju5+OtmD2lDkFXeWD4QZiX07XnaY meMk+2f48dFhMhJ0SkYm+F1BeU9dARCbxMP0tsB/amewBo69FGfgrU8XITO4I4nKS5 bLQN2EZbqOAV5ZOKViiYnQaMllT2rGr04yfDYn98ch9Ko3BdYeyRHqpsfsysyXti69 SvOtPhKFoOEgg== Mime-Version: 1.0 Date: Thu, 07 Mar 2024 21:32:08 +0200 Message-Id: Cc: "Shawn Guo" , "Jonathan Corbet" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "NXP Linux Team" , "Ahmad Fatoum" , "sigma star Kernel Team" , "David Howells" , "Li Yang" , "Paul Moore" , "James Morris" , "Serge E. Hallyn" , "Paul E. McKenney" , "Randy Dunlap" , "Catalin Marinas" , "Rafael J. Wysocki" , "Tejun Heo" , "Steven Rostedt (Google)" , , , , , , , , , "Richard Weinberger" , "David Oberhollenzer" Subject: Re: [PATCH v6 5/6] docs: document DCP-backed trusted keys kernel params From: "Jarkko Sakkinen" To: "David Gstir" , "Mimi Zohar" , "James Bottomley" , "Herbert Xu" , "David S. Miller" X-Mailer: aerc 0.17.0 References: <20240307153842.80033-1-david@sigma-star.at> <20240307153842.80033-6-david@sigma-star.at> In-Reply-To: <20240307153842.80033-6-david@sigma-star.at> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240307_113220_525796_B32292BC X-CRM114-Status: GOOD ( 18.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu Mar 7, 2024 at 5:38 PM EET, David Gstir wrote: > Document the kernel parameters trusted.dcp_use_otp_key > and trusted.dcp_skip_zk_test for DCP-backed trusted keys. > > Co-developed-by: Richard Weinberger > Signed-off-by: Richard Weinberger > Co-developed-by: David Oberhollenzer > Signed-off-by: David Oberhollenzer > Signed-off-by: David Gstir > --- > Documentation/admin-guide/kernel-parameters.txt | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 24c02c704049..b6944e57768a 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -6698,6 +6698,7 @@ > - "tpm" > - "tee" > - "caam" > + - "dcp" > If not specified then it defaults to iterating through > the trust source list starting with TPM and assigns the > first trust source as a backend which is initialized > @@ -6713,6 +6714,18 @@ > If not specified, "default" is used. In this case, > the RNG's choice is left to each individual trust source. > > + trusted.dcp_use_otp_key > + This is intended to be used in combination with > + trusted.source=dcp and will select the DCP OTP key > + instead of the DCP UNIQUE key blob encryption. > + > + trusted.dcp_skip_zk_test > + This is intended to be used in combination with > + trusted.source=dcp and will disable the check if all > + the blob key is zero'ed. This is helpful for situations where > + having this key zero'ed is acceptable. E.g. in testing > + scenarios. > + > tsc= Disable clocksource stability checks for TSC. > Format: > [x86] reliable: mark tsc clocksource as reliable, this I don't disagree with the API part. Mimi? BR, Jarkko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel