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 14311CD6E57 for ; Tue, 2 Jun 2026 14:58:22 +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-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DnM2hO41RX1ZjYT2K0TjVIZOoePCgu/n2TLpxGi/ANw=; b=NToAsQ+H/+bEieyoAkxujii66v tUlnkWcIO4RjehUk0Q2zNAg3lwZz73aFIMD+z8epkBzouopdL+T7M9wgDN6PVfzKnrf/xPmWTaLML b334Y7ywVMLpxDFbExp92vc/1a6V/W4EjK/PC8TZ90qUDlu64qfF1JVczI3DTEixmOUi9ZYeELFy3 8MGWX90WNaFho2XGabc8JLk6pqdJfmKh0tpwDJ6iARqpJnqu6mK/3CoPB1MV44SSMEqyccTfZBAE0 jGiqZENMtASlqz6rDuTrE+fNXXevXy3wJqkXMphZJunTn29JiDYQuyTnH5VsA6q83lGboJynTC/bz KGmtRo6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUQZM-0000000DEB5-2S3o; Tue, 02 Jun 2026 14:58:16 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUQZK-0000000DEAw-44nq for linux-arm-kernel@lists.infradead.org; Tue, 02 Jun 2026 14:58:15 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id EA1716001A; Tue, 2 Jun 2026 14:58:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 957A71F00893; Tue, 2 Jun 2026 14:58:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780412293; bh=DnM2hO41RX1ZjYT2K0TjVIZOoePCgu/n2TLpxGi/ANw=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=dUjAXOVAK+ks3hrv+Xa685ts0MW2Cl+aSZOl+l2Szs7WY1c9D6SvOlw3sE9mYacz0 n43WjYamFByyiiCExlI5ilvpZHWIGxqrMKsmokFnr5mw8+Y7DSUPTffryjzWlW741p pqgU1q19ny15e1j228qYReoiHWBTzmggf4ohzcjbZqFcOk2+yCOA4Nf2bsi/y8OMem a8/gKXDQrAFQwza0edc/eiefAzd70BZvfONWdljFPhtsL05epaN907a4idbsqUzy3Z iwH/fqeAp2wNJ2h9/dBHnfxz7aY9KCBsZGPdZSE+iBSdiYxJUqDA7ctTm4MV199biX FOIEZHiyz2Iig== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wUQZG-00000008e1B-22sE; Tue, 02 Jun 2026 14:58:10 +0000 Date: Tue, 02 Jun 2026 15:58:09 +0100 Message-ID: <8633z5ugzi.wl-maz@kernel.org> From: Marc Zyngier To: Daniel Lezcano , linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , "Rafael J. Wysocki" , Mark Rutland , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Ge Gordon , BST Linux Kernel Upstream Group , Jesper Nilsson , Lars Persson , Alim Akhtar , Ivaylo Ivanov , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Dinh Nguyen , Matthias Brugger , AngeloGioacchino Del Regno , Thierry Reding , Jonathan Hunter , Bjorn Andersson , Konrad Dybcio , Andreas =?UTF-8?B?RsOkcmJlcg==?= , =?UTF-8?B?Ill1LUNo?= =?UTF-8?B?dW4gTGluIFvmnpfnpZDlkJtdIg==?= , Heiko Stuebner , Shawn Lin , Orson Zhai , Baolin Wang , Michal Simek Subject: Re: [PATCH v3 00/17] arm64: Use EL2 virtual timer when running VHE In-Reply-To: <20260523140242.586031-1-maz@kernel.org> References: <20260523140242.586031-1-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: daniel.lezcano@kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, lpieralisi@kernel.org, guohanjun@huawei.com, sudeep.holla@kernel.org, catalin.marinas@arm.com, will@kernel.org, rafael@kernel.org, mark.rutland@arm.com, tglx@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, wens@kernel.org, jernej.skrabec@gmail.com, samuel@sholland.org, neil.armstrong@linaro.org, khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, gordon.ge@bst.ai, bst-upstream@bstai.top, jesper.nilsson@axis.com, lars.persson@axis.com, alim.akhtar@samsung.com, ivo.ivanov.ivanov1@gmail.com, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, dinguyen@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, thierry.reding@kernel.org, jonathanh@nvidia.com, andersson@kernel.org, konradybcio@kernel.org, afaerber@suse.de, eleanor.lin@realtek.com, heiko@sntech.de, shawn.lin@rock-chips.com, orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, michal.simek@amd.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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 Sat, 23 May 2026 15:02:25 +0100, Marc Zyngier wrote: > > This is the third version of the series initially posted at [1], > which > > - updates the ACPI GTDT parsing to deal the v3 layout and the EL2 > virtual timer, > - moves the architected timer driver to use it when running VHE, > - fixes a number of DTs to reflect the reality of the HW. > > This results in significant performance uplift in deeper nested virt > scenarios, at no overhead to the host. > > Patches based on -rc3, tested on Amlogic SM1, QC X1E, Ampere Altra, > and Apple M2, as well as KVM NV guests. [...] Daniel, can you please pick the first 3 patches? Or would you rather have them routed via the arm64 tree? Thanks, M. -- Without deviation from the norm, progress is not possible.