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s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5vI3l1ZaiofUPOeQyA6WQKSQOzAMKhrXWWM9QsLR65w=; b=g28grKzomTzmX7a7LYN793e6OQdMX1Y7BhRt894tQrIjUDKSSgXBMjO+C39l4M1bXP x7a4WjklZ+j+0nOAb9TeLyEbV3MHdeSmk8igicPy4BPggBMS+nwlRCGdis4yiF/d3hqH 9X2pUGzUHCRHKnG9VOqs+z8hwsVAXCswx50uluK2ACo43SMBc7Ib0gicGSgo5VnmS7gG zCTs4iKac5lhJVK4QyXtXZOirt6JYh2P37v7MwTOR0whafUKP97QQ3b0JFQruCLR6JQz uZxvualpd+8hOixfPEsaCbo+KC4EVfvHwK00+f+nqZ3Q68aUeZvODFlkWInZGP/v8bEV uOzA== X-Gm-Message-State: AOAM530Bw9jWSvgR648lpz9Ky5Xwmw8TTkg9AtHZr19nUH5UDjYMbgj2 iN7Pzg4KSV3I0oqD3ZCa0THEr8HbK+VsszDoIye18w== X-Google-Smtp-Source: ABdhPJzmrCiCYJvHYF4lC635t/eeQUVraKAdQtEzvnzsqBANoOPnTz1O0EOZ/zGfvA7iBPijzUXdNaMKFvDsDQt7zTo= X-Received: by 2002:aca:ea44:: with SMTP id i65mr3154466oih.149.1616076597783; Thu, 18 Mar 2021 07:09:57 -0700 (PDT) MIME-Version: 1.0 References: <20210212154614.38604-1-sudeep.holla@arm.com> <20210316143429.tdyyulkml4ypdixy@bogus> In-Reply-To: <20210316143429.tdyyulkml4ypdixy@bogus> From: Jens Wiklander Date: Thu, 18 Mar 2021 15:09:46 +0100 Message-ID: Subject: Re: [PATCH v4 0/7] firmware: Add initial support for Arm FF-A To: Sudeep Holla Cc: Linux ARM , Devicetree List , Trilok Soni , arve@android.com, Andrew Walbran , David Hartley , Achin Gupta , Arunachalam Ganapathy , Marc Bonnici X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210318_140959_139964_6B8FEA10 X-CRM114-Status: GOOD ( 17.77 ) 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 Hi Sudeep, On Tue, Mar 16, 2021 at 3:34 PM Sudeep Holla wrote: > > Hi Jens, > > On Fri, Feb 12, 2021 at 03:46:07PM +0000, Sudeep Holla wrote: > > Hi all, > > > > This is very basic implementation for in-kernel support for Arm FF-A > > specification. > > > > Arm Firmware Framework for Armv8-A specification[1] describes a software > > architecture that provides mechanism to utilise the virtualization > > extension to isolate software images and describes interfaces that > > standardize communication between the various software images. This > > includes communication between images in the Secure and Normal world. > > > > The main idea here is to create FFA device to establish any communication > > with a secure partition. This is currently tested with OPTEE(with changes > > to OPTEE driver adding FFA as transport) > > > > Since you reviewed the last version, it would be helpful if you provide > Reviewed-by or Tested-by if you happy with this version. I would like to > get this initial version merged for v5.13 I've tested this in a few of my setups and everything looks over all fine, so please apply: Tested-by: Jens Wiklander I'm also double checking the details of the patches for some further feedback. Stay tuned. Thanks, Jens _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel