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 AC5E2C83F1A for ; Mon, 21 Jul 2025 17:51:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xmub9aFjvw/tMVjGdDoWaTJsjARmDuiOsiPPDj+ZHGM=; b=XJZil3rqJdXLz3P5oaOXN3+Wxs eroJX+nQmKtyO9tnMDoBW7Po9ZKOtiQ2zdakOReoZEfDwOi0lCf2eS9YKRz4QbE8yjo3rNFJ5SLd4 V+a/dY53ZDcWXSAUTQivs8PJ0DoG8y7TChEzukyLjLB7hfga/bkFNAJC377QUVWSIZhGUbe9mxj8q KfT5xbz2nloDabkJpsXmM+aJDtVlujfD+TGT8tuu164VY4hCKrgnHaXK3/ev1TnELgxibZwSKwuxN ve5xYbmwKjdSjvV8Nn96cbBwUvym2RY7KeMQbzEW1GldOfX6EXEPL1PLmvd/Gu5hKvr4jB1n7WmFm yUQMgtYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udufu-00000000MrE-3szm; Mon, 21 Jul 2025 17:51:42 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uduI8-00000000JiX-2sqi for linux-arm-kernel@lists.infradead.org; Mon, 21 Jul 2025 17:27:09 +0000 Received: from [10.137.184.60] (unknown [131.107.160.188]) by linux.microsoft.com (Postfix) with ESMTPSA id 86BFD21175B2; Mon, 21 Jul 2025 10:27:07 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 86BFD21175B2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1753118827; bh=xmub9aFjvw/tMVjGdDoWaTJsjARmDuiOsiPPDj+ZHGM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pC94KJnzta6iMqNqUYaCSQV4FmFEG6muwIv+Ul3Kml2rl8YX+6COamsbOVfmaeiln iA3hgjNLDefPnXXkNEDhAmDXqGYB2jUUkDhsE5ZWQKN3AibF1VwuiE4kTavpYvRm6G jSP0Y0HxHnQQ0/YFG0mMKbyV/YL6pYQM+XswYtJo= Message-ID: <9f39e539-3216-4f5d-819f-9500f76a0154@linux.microsoft.com> Date: Mon, 21 Jul 2025 10:27:07 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: kvm, smccc: Fix vendor uuid To: Will Deacon , Marc Zyngier Cc: Jack Thomson , mark.rutland@arm.com, lpieralisi@kernel.org, sudeep.holla@arm.com, arnd@arndb.de, wei.liu@kernel.org, mhklinux@outlook.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, oliver.upton@linux.dev, kvmarm@lists.linux.dev, roypat@amazon.com, Jack Thomson References: <20250721130558.50823-1-jackabt.amazon@gmail.com> <86jz418rh3.wl-maz@kernel.org> Content-Language: en-US From: Roman Kisel In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_102708_755979_BFFE926A X-CRM114-Status: UNSURE ( 9.27 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/21/2025 10:14 AM, Will Deacon wrote: > On Mon, Jul 21, 2025 at 04:59:36PM +0100, Marc Zyngier wrote: [...] >> >> Irk. This is remarkably embarrassing, and needs to be addressed ASAP, >> before 6.16 ships. FWIW, I've just posted a quickly whipped selftest >> that shows the problem[1]. >> >> Will, is there a chance you can pick this up and ferry it to Linus? >> If you do, please add: >> >> Reviewed-by: Marc Zyngier >> Tested-by: Marc Zyngier > > Sure, I'll grab it. Thanks! > I'm sorry for that, apologies for screwing things up :( Very much appreciate the fix and the test. I clearly missed testing backward compat. with the old kernels. > Will -- Thank you, Roman