linux-kernel - Re: [RFC 0/4] Introduce a mechanism to allocate PCI IRQ on demand

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Message-ID: <alpine.DEB.2.11.1505191535190.4225@nanos>
Date:	Tue, 19 May 2015 15:35:48 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lv Zheng <lv.zheng@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, "x86 @ kernel . org" <x86@...nel.org>
Subject: Re: [RFC 0/4] Introduce a mechanism to allocate PCI IRQ on demand

On Thu, 7 May 2015, Jiang Liu wrote:

> This patch set introduces a mechanism to allocate PCI IRQ on demand and
> free it when not used anymore by hooking pci_device_probe() and
> pci_device_remove().
> 
> It will be used to track IOAPIC pin usage on x86 so we could support
> IOAPIC hot-removal.

Bjorn, any opinion on this?

Thanks,

	tglx
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