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 1CBAFCD11C2 for ; Wed, 10 Apr 2024 11:45:56 +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:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MdyXE58TWlN1RgKOz1TsKONjRCFcZ2Q+rrYjVJqtM5U=; b=Cj2Fkn+XZsZ/NU Hzskhw/wh7/rnNFp5MeGTpgbTJe6er/7Z1HMaYXjJX/GVfCLUNl7k27ZvxLeeYia3xAuBAU8mGmlx BTDpYst3pmQExOZBY8isUTpor2YqwG3rQC/P4uKi0Z5CFhj6+wBq2gAE5W1e5Rg5hPQTyMq9E6RbT egl163VshTp0QfTWSWOeGzL0Mqch/p7dTjaz2HMsCbylhi4kx0H9VpZ44uEbPJmzsnygZ+NpsS4Vb 0S0BrS2D91/7Vr+Js12FynmG5bJ2W/OodCTXpmW9sx0uBjdA/8yA2Ycue+rCfZbRxcw7xLXdswM3u DwDrp0jPuD7eU8/ihnHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruWOf-00000006hcm-1Tn5; Wed, 10 Apr 2024 11:45:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruWOc-00000006hbX-29CE for linux-arm-kernel@lists.infradead.org; Wed, 10 Apr 2024 11:45:44 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 837BE139F; Wed, 10 Apr 2024 04:46:11 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 90F0F3F6C4; Wed, 10 Apr 2024 04:45:40 -0700 (PDT) Date: Wed, 10 Apr 2024 12:45:38 +0100 From: Sudeep Holla To: Jens Wiklander Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marc Bonnici , Sudeep Holla , Olivier Deprez , Lorenzo Pieralisi , Bertrand Marquis Subject: Re: [PATCH v2] firmware: arm_ffa: support running as a guest in a vm Message-ID: References: <20240325081335.2326979-1-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240410_044542_738753_1C04AD64 X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBBcHIgMDMsIDIwMjQgYXQgMDQ6Mjc6NDNQTSArMDIwMCwgSmVucyBXaWtsYW5kZXIg d3JvdGU6Cj4gT24gV2VkLCBBcHIgMywgMjAyNCBhdCAzOjAz4oCvUE0gU3VkZWVwIEhvbGxhIDxz dWRlZXAuaG9sbGFAYXJtLmNvbT4gd3JvdGU6Cj4gPiBVbmRlcnN0b29kLiBJIHdpbGwgdGFrZSBh IGxvb2sgYXQgdGhlIHBhdGNoIHdpdGggdGhlIGFib3ZlIGluZm9ybWF0aW9uLgo+CgpJIHJld29y a2VkIHRoaXMgYSBiaXQgd2l0aCB0aGUgaWRlYSBTUkkgYW5kIE5QSSB3aWxsIG5vdCBiZSByZXF1 aXJlZCBhdAp0aGUgc2FtZSB0aW1lLiBQb3N0ZWQgdGhlIHNlcmllcyBbMV0uIEl0IHdvdWxkIGJl IGdvb2QgaWYgeW91IHByb3ZpZGUKZmVlZGJhY2sgb24gdGhlIHNhbWUgYW5kIGNoZWNrIGlmIGl0 IHdvcmtzIGZpbmUgdW5kZXIgeW91ciBzZXR1cC4KCi0tClJlZ2FyZHMsClN1ZGVlcAoKWzFdIGh0 dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC8yMDI0MDQxMC1mZmFfbnBpX3N1cHBvcnQtdjEtMC0x YTUyMjMzOTFiZDFAYXJtLmNvbQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5l bEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9956015AABA for ; Wed, 10 Apr 2024 11:45:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712749544; cv=none; b=AJVNfOG7VgZMJcKrc2zj4cfp0gIpDmf8UysNRBNoH60hWrwCYNuuqwdDJPvFkh7Vn8e2LAUBCTlP2KlaS/v0Sa+7SZxEHHHlHUhuC0qeetGHfCBoCriUhADZA8yNLhtjAoMVeshl8XIs1nThTO1lBBFkNkJs0tuBBH2FBadgV5Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712749544; c=relaxed/simple; bh=LvJgUCXexRkCISqT/1dyY3snYZAh2KoauNvZ3Rma7Rw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EtyZhyKA98A0RMRWYR+447fPpIlgNtiGwmDsq7HYUQsOZki/otX3wLX4p8WqHyX1hRKO6CP3RFnl0w7Q1/DTRHyqX4HyyLsEyu9wn/YOpcLanQKN1uxueXY637PgcwDKMBm4dkGS0nIQ9tWwGvW/ha5owasxRP2IJ+CaR+U6KJA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 837BE139F; Wed, 10 Apr 2024 04:46:11 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 90F0F3F6C4; Wed, 10 Apr 2024 04:45:40 -0700 (PDT) Date: Wed, 10 Apr 2024 12:45:38 +0100 From: Sudeep Holla To: Jens Wiklander Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marc Bonnici , Sudeep Holla , Olivier Deprez , Lorenzo Pieralisi , Bertrand Marquis Subject: Re: [PATCH v2] firmware: arm_ffa: support running as a guest in a vm Message-ID: References: <20240325081335.2326979-1-jens.wiklander@linaro.org> 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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Apr 03, 2024 at 04:27:43PM +0200, Jens Wiklander wrote: > On Wed, Apr 3, 2024 at 3:03 PM Sudeep Holla wrote: > > Understood. I will take a look at the patch with the above information. > I reworked this a bit with the idea SRI and NPI will not be required at the same time. Posted the series [1]. It would be good if you provide feedback on the same and check if it works fine under your setup. -- Regards, Sudeep [1] https://lore.kernel.org/all/20240410-ffa_npi_support-v1-0-1a5223391bd1@arm.com