From mboxrd@z Thu Jan 1 00:00:00 1970 From: wangyijing@huawei.com (Yijing Wang) Date: Sun, 28 Sep 2014 10:35:09 +0800 Subject: [PATCH v2 06/22] PCI/MSI: Introduce weak arch_find_msi_chip() to find MSI chip In-Reply-To: References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> <1411614872-4009-7-git-send-email-wangyijing@huawei.com> <5424D30A.6040900@huawei.com> Message-ID: <542773DD.8020105@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org >> MSI chip in this series is to setup MSI irq, including IRQ allocation, Map, >> compose MSI msg ..., in different platform, many arch specific MSI irq details in it. >> It's difficult to extract the common data and code. >> >> I have a plan to rework MSI related irq_chips in kernel, PCI and Non-PCI, currently, >> HPET, DMAR and PCI have their own irq_chip and MSI related functions, write_msi_msg(), >> mask_msi_irq(), etc... I want to extract the common data set for that, so we can >> remove lots of unnecessary MSI code. > > That makes sense. Can you please make sure that this does not conflict > with the ongoing work Jiang is doing in the x86 irq area with > hierarchical irqdomains to distangle layered levels like MSI from the > underlying vector/irqremap mechanics. Yes, I'm reviewing Jiang hierarchical irqdomains series, I'm interested in that changes. Thanks! Yijing. > > Thanks, > > tglx > > . > -- Thanks! Yijing