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 90894C83F1B for ; Thu, 17 Jul 2025 10:19:39 +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:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ij8sQ0PZojeFLAf4MdDXPZA2nHvOpAbNVzssIL+5IpQ=; b=X1Nyto6prhmGGNfAB5vPaYdrpo ZMa74Jh4HGgsvbhb19JHKxdHdbfVg77989ceOvqqSWbwofRzicxK0a8XfzUV/SEY3z3Pmx69uWayQ JGCSpP0ubC9uMgFBcwlxLnCKE1v/DWtb8pQ9v7u2Agl24ZE9Xo0K8xBsC1db+hnnFIqM7L2wDzdGa YDtR5o9S6W+iIRtuQVAjn8GPKPp8A5bNvMY6wVJ/9PsHoblRmb8I5OmyODv4a6tznWEExvSNVMuTG GTK1iP09r/mNnP+Q6EvVicBb5XgGJ46Xs3kq81DIqHLB9x2mGplWEXb7mcVhPBsP5F8snRbtXysf4 P6keoYPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ucLi9-00000009pKT-0hBH; Thu, 17 Jul 2025 10:19:33 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ucLIq-00000009msz-3a4b for linux-arm-kernel@lists.infradead.org; Thu, 17 Jul 2025 09:53:26 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6265D5C5CB4; Thu, 17 Jul 2025 09:53:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B4A2C4CEF7; Thu, 17 Jul 2025 09:53:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752746004; bh=79WBhvJn26OfZelR9I5aNME3T7KKPk5kwAHzs9mtrWo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ss0gnunK0w/lqoGyuWXzxn6IwCftyipoYUczlCWvEDN+/XwvvnFYfs1jIosBn07yK cBoW022cIxh5mkGU2bumukgtJsQyRtXkbjei3Xjj0Tgqj6GP7tMJKK1NNfqdQzgoLf aMvPe3hknB23C1KbLKhwhqbVe/WZP58Uipek/jWOS3r81AN9JJlnmmZRhMaPdFqAoE utgRTYqMYqFBTjyIJ43+VDtxfa8OkTi+lTRq5Cf8sEZZFW5bGSPgcKBWuuBCCSXLDI iofq45uEXG5IK3sDKpz8vHdmx/1I2/BLOm3IHfbC7Qtwr3uNC58Iq5DViELTQU/ryR erchg6tWqfAWQ== From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Marc Zyngier Cc: Lorenzo Pieralisi , Toan Le , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Thomas Gleixner Subject: Re: [PATCH v2 00/13] PCI: xgene: Fix and simplify the MSI driver Date: Thu, 17 Jul 2025 11:52:38 +0200 Message-ID: <175274579907.217726.8694214469184941348.b4-ty@kernel.org> X-Mailer: git-send-email 2.48.0 In-Reply-To: <20250708173404.1278635-1-maz@kernel.org> References: <20250708173404.1278635-1-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250717_025324_932205_FFBA1CF0 X-CRM114-Status: GOOD ( 10.67 ) 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 Tue, 08 Jul 2025 18:33:51 +0100, Marc Zyngier wrote: > Having recently dipped into the xgene-msi driver to bring it to use > the MSI-parent concept, I have realised that some of it was slightly > sub-par (read: downright broken). > > The driver is playing horrible tricks behind the core code, missing > proper affinity management, is terribly over-designed for no good > reason, and despite what MAINTAINERS says, completely unmaintained. > > [...] Applied to controller/xgene, thanks! [01/13] genirq: Teach handle_simple_irq() to resend an in-progress interrupt https://git.kernel.org/pci/pci/c/fad9efd72b5f [02/13] PCI: xgene: Defer probing if the MSI widget driver hasn't probed yet https://git.kernel.org/pci/pci/c/b3ffac51b6a7 [03/13] PCI: xgene: Drop useless conditional compilation https://git.kernel.org/pci/pci/c/1ded8cc14884 [04/13] PCI: xgene: Drop XGENE_PCIE_IP_VER_UNKN https://git.kernel.org/pci/pci/c/14a347069f71 [05/13] PCI: xgene-msi: Make per-CPU interrupt setup robust https://git.kernel.org/pci/pci/c/84cb4108bf6f [06/13] PCI: xgene-msi: Drop superfluous fields from xgene_msi structure https://git.kernel.org/pci/pci/c/61aeded55e5b [07/13] PCI: xgene-msi: Use device-managed memory allocations https://git.kernel.org/pci/pci/c/a782a50689d6 [08/13] PCI: xgene-msi: Get rid of intermediate tracking structure https://git.kernel.org/pci/pci/c/9a7ca398f2d4 [09/13] PCI: xgene-msi: Sanitise MSI allocation and affinity setting https://git.kernel.org/pci/pci/c/7112647f6d19 [10/13] PCI: xgene-msi: Resend an MSI racing with itself on a different CPU https://git.kernel.org/pci/pci/c/b43fa1b0691b [11/13] PCI: xgene-msi: Probe as a standard platform driver https://git.kernel.org/pci/pci/c/a435be2c3318 [12/13] PCI: xgene-msi: Restructure handler setup/teardown https://git.kernel.org/pci/pci/c/f7d447633452 [13/13] cpu/hotplug: Remove unused cpuhp_state CPUHP_PCI_XGENE_DEAD https://git.kernel.org/pci/pci/c/8db22d697c52 Thanks, Lorenzo