From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7BD2B1F03D2; Thu, 20 Feb 2025 09:31:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740043892; cv=none; b=BgA6ABv0kOHDNclIU0nYhaWS9ipq/D+//vu7MqPGAXZiRh4RYNRt6tiQj4rN+9aOvP+SBkSeWl0sd1WWidClgSDFE4S/q9yIFDZuIAGpcBxvsVBeZ9+dD632RaoQgj0SHz0s2n8ADCGO7wFL3p6NAGuWUfPm9+hHwHpyz+GWmXs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740043892; c=relaxed/simple; bh=ZKDliYiJAyWPwVHYoDQwmy8GedESgFshgP23qwEziT0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=t0nBBET9QdMhd5CfidfCKjyTY/CUFUL4nf2yWCExouB1L04WQSxw1NVloa62m7ocCtF88wSrr66qJR7+/xUrPoeluRdYTCGr6rhBp36fHoYDyfsZhU8fJQityYXXExFZ8H6R2E8jMGLApxs0pCLhHoh2ISo6P2upiX0yp3txx30= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ecUmiWhB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ecUmiWhB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B79D3C4CEEA; Thu, 20 Feb 2025 09:31:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740043892; bh=ZKDliYiJAyWPwVHYoDQwmy8GedESgFshgP23qwEziT0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ecUmiWhByCMtNKUYHn1pEAIpFi5Q1aGwvYeiCEiAZ5wR3xm0ozcu63KhMvwHeWWa4 2U+/PTJLI7J6NOn8JbptMfl98onLFBZeYBLcLgeI6tLTsxvfBqr2MQccIriqE41fc7 bkusMWs9Q3kPvR3EotlyGCvBT4WH+xo2V/yGiQwjPFwB7ywy02Ztb06Fmyx2u/Sosb e03W6pz+yHSQ6QLAnonJ4kgFjoFWQ4V5K94HoYr40FeNrvJZ2N/bUaieS6OvSPaJDr JwsQ9JYanR9CaAFJ7rqPWR2xvhuJUbmjImXEmKFCNSOg4EYG3W0ZsIDi82o3zONrnu 3wjU3p8MsUMOw== Date: Thu, 20 Feb 2025 11:31:27 +0200 From: Jarkko Sakkinen To: Stuart Yoder Cc: linux-integrity@vger.kernel.org, peterhuewe@gmx.de, jgg@ziepe.ca, sudeep.holla@arm.com, rafael@kernel.org, lenb@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 1/5] tpm_crb: implement driver compliant to CRB over FF-A Message-ID: References: <20250219201014.174344-1-stuart.yoder@arm.com> <20250219201014.174344-2-stuart.yoder@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Feb 20, 2025 at 11:28:58AM +0200, Jarkko Sakkinen wrote: > On Wed, Feb 19, 2025 at 02:10:10PM -0600, Stuart Yoder wrote: > > The Arm specification TPM Service CRB over FF-A specification > > defines the FF-A messages to interact with a CRB-based TPM > > implemented as an FF-A secure partition. > > > > Spec URL: > > https://developer.arm.com/documentation/den0138/latest/ > > > > This driver is probed when a TPM Secure Partition is > > discovered by the FF-A subsystem. It exposes APIs > > used by the TPM CRB driver to send notifications to > > the TPM. > > > > Acked-by: Sudeep Holla > > Signed-off-by: Stuart Yoder > > Cutting hairs now but as I cannot test this and this is 1/5: > can this patch be run without 2/5-4/5? > > The policy is that every patch should leave kernel tree to > a state where it compiles and runs. The root reason for this is that wrong ordered patch sets commited to Git add difficulty to bisection in the long-term. BR, Jarkko