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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id h67-20020a25d046000000b00d89433fccc3si12217434ybg.8.2023.10.25.12.56.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 12:56:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=esCpCbSf; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 39CC88166937; Wed, 25 Oct 2023 12:56:57 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229498AbjJYT4x (ORCPT + 99 others); Wed, 25 Oct 2023 15:56:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232329AbjJYT4w (ORCPT ); Wed, 25 Oct 2023 15:56:52 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3B0D185; Wed, 25 Oct 2023 12:56:49 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1698263808; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6Y76BTvDL8fMtXIIKTEWVYaf4r3Jy1wak2WgowyW9Fw=; b=esCpCbSf/cGVbPuyJtSR/0shnIZx4AEsHhsuEwZxlDbnnT0pQnNCb03npVRR/WhzSfjUhx Xpt9WvqkcG2JGqu1Seh1gjDkPBHQ7OWDw4/TuryeGH6Vg4d8JlVwLLJh0jehwL10F1M1MO JvNMBIwld2eUpyFwYp4wLTYBqnr1C6d6ShrtrPMiDzwuBR71FSxDey1udLojgTOxynWYqb uQK2pY/kDLAoripSvgpJ/Hq72zxU4svuQijQMK79oXtPPi6Y30GoKPzagA/4VOSVJ8cHRE aXWHTUO79O38JrTYJ8ZJxZCcHDKpZE+elp4ZGtKMU0c1RHf2ja0YVtFOyN8mqw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1698263808; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6Y76BTvDL8fMtXIIKTEWVYaf4r3Jy1wak2WgowyW9Fw=; b=f3nWV8Kv0BmZV5MMqx2/zHJSBaiOlu6tmCwUSQPXD2tXDy2idlMko8ZhhVUvoLvflaC8KH RAURu2cNz+Woq5Bg== To: Anup Patel , Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Frank Rowand , Conor Dooley Cc: Marc Zyngier , =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= , Atish Patra , Andrew Jones , Sunil V L , Saravana Kannan , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Anup Patel Subject: Re: [PATCH v11 08/14] irqchip/riscv-imsic: Add support for platform MSI irqdomain In-Reply-To: <20231023172800.315343-9-apatel@ventanamicro.com> References: <20231023172800.315343-1-apatel@ventanamicro.com> <20231023172800.315343-9-apatel@ventanamicro.com> Date: Wed, 25 Oct 2023 21:56:47 +0200 Message-ID: <87edhi5vcw.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 25 Oct 2023 12:56:57 -0700 (PDT) On Mon, Oct 23 2023 at 22:57, Anup Patel wrote: > The Linux platform MSI support requires a platform MSI irqdomain so > let us add a platform irqchip driver for RISC-V IMSIC which provides > a base IRQ domain and platform MSI domain. This driver assumes that > the IMSIC state is already initialized by the IMSIC early driver. Please no. The platform MSI cruft is really a horrible concept and there is ongoing work (sadly mightily delayed) to convert the main (ab)user ARM over to per device MSI domains. https://lore.kernel.org/r/20221121135653.208611233@linutronix.de