linux-kernel - Re: [Patch Part3 v3 00/38] Enable hierarchy irqdomian on x86 platforms

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Date:	Tue, 18 Nov 2014 11:51:45 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [Patch Part3 v3 00/38] Enable hierarchy irqdomian on x86
 platforms

Hi Jiang,

On Sun, Nov 09, 2014 at 02:13:00AM +0800, Jiang Liu wrote:
> This is the last part to enable support of hierarchy domain on x86
> platforms.
> 
> It first converts IOAPIC to support hierarchy irqdomain, then cleans
> up all unused code and interfaces. It also introduces a kernel boot
> parameter to configure CPU vector allocation policies.
> 
> It's based on my previous patch set at:
> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg760868.html
> And you may access it at:
> https://github.com/jiangliu/linux.git irqdomain/p3v3
> 
> It has been tested on Intel 64-bit server and 32-bit laptop. It also
> passes Fengguang's 0day tests. Helps are welcomed for testing:
> 1) Intel MID platform
> 2) Intel CE or OLPC platforms
> 
> Patch 1-3 kills pre_init_apic_IRQ0().
> Patch 4-9 convert IOAPIC to use hierarch irqdomain
> Patch 10-36 clean up code, unused interfaces etc.
> Patch 37-38 introduces a mechanism to configure CPU vector allocation
> 	policies.

Did some more testing on my machines and it looks good now, no more boot
panics or other anomalies. So feel free to add my

Tested-by: Joerg Roedel <jroedel@...e.de>

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