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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k67-20020a628446000000b005745a589315si1477369pfd.74.2022.11.23.04.41.00; Wed, 23 Nov 2022 04:41:12 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=Akw1Kex4; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237159AbiKWLaZ (ORCPT + 89 others); Wed, 23 Nov 2022 06:30:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237113AbiKWL3s (ORCPT ); Wed, 23 Nov 2022 06:29:48 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BAB3BE2D; Wed, 23 Nov 2022 03:29:34 -0800 (PST) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1669202973; 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=2mamiCyD9lwbw+o5WE1PalM2BxixtIfzBmHhS3AlxvU=; b=Akw1Kex4wmvemQD/WJuzl1kHatgTM4gSJXnNDx+e9f6cLXubHpuD0HpWmeNuvDv9h4SmbA 668e2q7hrOyiwMzFkDwmVsNTJC0QTukrEvdye4DrlX884GNtmU8MIyHWSCTsn6mGEnNUXn tYIDti1L8uLhb/VqQ4a+J/1rNfOMNd7ubdd+iAEGyUHO5+7TNwJmQSDonu60DJxXSOZ2PB LKGrb4D8Az50uOqgjhhU5FQwUSw8yDDanMBrY9pRNzICRDDRPP0mOl3cyb5jfIjT1oLDyK FCk1vTX+rJCD5MM1otBNPuumez9LmP9b3HF+A7qwRtTB9iwhXZan/cJmcPzetA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1669202973; 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=2mamiCyD9lwbw+o5WE1PalM2BxixtIfzBmHhS3AlxvU=; b=WhkzKYjdxPK3csuxhz8jhKp6tjWE620MZiXckyX53hdJlrSmHSOVuDYZ0hgV0RsvcUrzTY 6H6kNSH3RZS424DA== To: "Tian, Kevin" , LKML Cc: "x86@kernel.org" , Joerg Roedel , Will Deacon , "linux-pci@vger.kernel.org" , Bjorn Helgaas , Lorenzo Pieralisi , Marc Zyngier , Greg Kroah-Hartman , Jason Gunthorpe , "Jiang, Dave" , Alex Williamson , "Williams, Dan J" , Logan Gunthorpe , "Raj, Ashok" , Jon Mason , Allen Hubbe Subject: RE: [patch V2 03/33] genirq/msi: Provide data structs for per device domains In-Reply-To: References: <20221121083657.157152924@linutronix.de> <20221121091326.659141858@linutronix.de> Date: Wed, 23 Nov 2022 12:29:32 +0100 Message-ID: <875yf5gb8j.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,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 On Wed, Nov 23 2022 at 07:57, Kevin Tian wrote: >> From: Thomas Gleixner >> Sent: Monday, November 21, 2022 10:38 PM >> >> Provide struct msi_domain_template which contains a bundle of struct >> irq_chip, struct msi_domain_ops and struct msi_domain_info and a name >> field. >> >> This template is used by MSI device domain implementations to provide the >> domain specific functionality, feature bits etc. >> >> When a MSI domain is created the template is duplicated in the core code >> so that it can be modified per instance. That means templates can be >> marked const at the MSI device domain code. >> >> The template is a bundle to avoid several allocations and duplications >> of the involved structures. >> >> The name field is used to construct the final domain and chip name via: >> >> $PREFIX-$NAME-$DEVNAME > > $PREFIX$NAME-$DEVNAME Indeed.