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 13697C30653 for ; Sun, 30 Jun 2024 09:55:37 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From: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=gh/hXIfrUCOgcbsg1MV9Nom/7mIJ5UUkZJGsgeo7rKg=; b=f8TbcEX7RoMXPxkgpXf01JqqQ7 yhgxsEJIQ6pkT9Vwqh3RcLc1IQRUcfZwK7Qm+BClIJO9ys2SaBxfnqCvkSlMgXoYFXwY9TfupFp81 gHAIDRNLGwQCIjxnjyHLHhGd9ZZ6z9kgZkW4nNKXQ64HlyZ5rhM5VfEoQI2xPn73+AtKFoFA2aval y+kXGG1fkM0vH+ACV4Fhh1kn9USrf0vTKXlY/0tWvvdtithlm1jWCrYToilzQemEW71jy7turg/Fm K5FiLXb2MfHTdDuCDMLL4VMM+TTNA1qaDTw+n0L5LPzqYE0Mk1rGEjpKy7zygIfEjBiS1d0qYQBo1 6J9bw66g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sNrHJ-00000000BGa-3tK2; Sun, 30 Jun 2024 09:55:25 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sNrH4-00000000BAE-3XGs for linux-arm-kernel@lists.infradead.org; Sun, 30 Jun 2024 09:55:12 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id C0F1760D45; Sun, 30 Jun 2024 09:55:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6EA4C32781; Sun, 30 Jun 2024 09:55:02 +0000 (UTC) Date: Sun, 30 Jun 2024 10:55:00 +0100 From: Catalin Marinas To: Thomas Gleixner Cc: Marc Zyngier , LKML , linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, anna-maria@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, bhelgaas@google.com, rdunlap@infradead.org, vidyas@nvidia.com, ilpo.jarvinen@linux.intel.com, apatel@ventanamicro.com, kevin.tian@intel.com, nipun.gupta@amd.com, den@valinux.co.jp, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, gregkh@linuxfoundation.org, rafael@kernel.org, alex.williamson@redhat.com, will@kernel.org, lorenzo.pieralisi@arm.com, jgg@mellanox.com, ammarfaizi2@gnuweeb.org, robin.murphy@arm.com, lpieralisi@kernel.org, nm@ti.com, kristo@kernel.org, vkoul@kernel.org, okaya@kernel.org, agross@kernel.org, andersson@kernel.org, mark.rutland@arm.com, shameerali.kolothum.thodi@huawei.com, yuzenghui@huawei.com, shivamurthy.shastri@linutronix.de, Rob Herring Subject: Re: [patch V4 05/21] irqchip/gic-v3-its: Provide MSI parent for PCI/MSI[-X] Message-ID: References: <20240623142137.448898081@linutronix.de> <20240623142235.024567623@linutronix.de> <87h6dcxhy0.ffs@tglx> <86ed8ghypg.wl-maz@kernel.org> <86cyo0hyc6.wl-maz@kernel.org> <86bk3khxdt.wl-maz@kernel.org> <87ed8gxc2u.ffs@tglx> <87a5j3y1cj.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a5j3y1cj.ffs@tglx> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240630_025510_975665_1CE01851 X-CRM114-Status: GOOD ( 12.68 ) 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, Jun 29, 2024 at 09:51:08PM +0200, Thomas Gleixner wrote: > On Sat, Jun 29 2024 at 12:44, Thomas Gleixner wrote: > >> With this hack, I can boot a GICv3+ITS guest as usual. > > > > It's not a hack. It's the proper solution. Let me fold that back and > > look at the other PCI conversions which probably have the same issue. > > > > Thanks for digging into this. This help is truly welcome right now. > > So while I pondered to do it slightly differently for a moment I went > back to this approach and fixed up the other affected ones too. Full > delta vs. devmsi-arm-v4-1 below. > > Updated branch: > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git devmsi-arm-v4-2 This seems to work for me as well. I re-added this branch to arm64 for-kernelci for wider exposure. Thanks. -- Catalin