>> 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