From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH 3/8] arm64: defconfig: enable TCG_TPM and TCG_CRB Date: Wed, 12 Apr 2017 17:09:08 +0100 Message-ID: <20170412160907.GA7153@leverpostej> References: <1492012980-11650-1-git-send-email-timur@codeaurora.org> <1492012980-11650-4-git-send-email-timur@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from foss.arm.com ([217.140.101.70]:46184 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752928AbdDLQJf (ORCPT ); Wed, 12 Apr 2017 12:09:35 -0400 Content-Disposition: inline In-Reply-To: <1492012980-11650-4-git-send-email-timur@codeaurora.org> Sender: linux-next-owner@vger.kernel.org List-ID: To: Timur Tabi Cc: linux-arm-kernel@lists.infradead.org, sfr@canb.auug.org.au, linux-next@vger.kernel.org, maxime.ripard@free-electrons.com, olof@lixom.net, Wei Xu On Wed, Apr 12, 2017 at 11:02:55AM -0500, Timur Tabi wrote: > Some ARM64 server systems have a Trusted Platform Module security chip > on the board, and the chip is used to validate the operating system, > among other things. > > Signed-off-by: Timur Tabi > --- > arch/arm64/configs/defconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index a684c92..99e9964 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -240,6 +240,8 @@ CONFIG_SERIAL_XILINX_PS_UART=y > CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y > CONFIG_SERIAL_MVEBU_UART=y > CONFIG_VIRTIO_CONSOLE=y > +CONFIG_TCG_TPM=y > +CONFIG_TCG_CRB=y I see there are patches queued in linux-next enabling some arm64 TPM CRB support, which I believe are related. As I have commented elsewhere [1], I think those have been taken prematurely, and I'm not sure it's a good idea to enable this just yet, due to that. There are spec issues to be addressed in the draft that is still open. [1] https://lkml.kernel.org/r/20170411113652.GB32267@leverpostej Thanks, Mark.