linux-kernel - Re: [RFC v1 00/11] Split struct irq_data into common part and per-chip part

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Date:	Fri, 15 May 2015 22:57:46 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Tony Luck <tony.luck@...el.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [RFC v1 00/11] Split struct irq_data into common part and per-chip
 part

On Mon, 4 May 2015, Jiang Liu wrote:
> Hi all,
> 	Now the irq core supports hierarchy irq and stacked irqchips,
> so there may be multiple irq_datas associated with the same irq. But
> some fields in struct irq_data are per-irq instance and duplicating
> those fields into multiple irq_data may cause troubles.
> 	So this patch introduces a new data structure 'struct
> irq_common_data' to host per-irq instance data fields, and struct
> irq_data will only host per-chip data fields after the conversion.

I really like that change in general. Please address the few review
comments and resubmit.

Thanks,

	tglx
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