linux-kernel - RE: [PATCH 4/4] drivers:pci:hv: New paravirtual PCI front-end for Hyper-V VMs

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Message-ID: <alpine.DEB.2.11.1508032142500.3825@nanos>
Date:	Mon, 3 Aug 2015 21:43:32 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jake Oshins <jakeo@...rosoft.com>
cc:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	KY Srinivasan <kys@...rosoft.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"vkuznets@...hat.com" <vkuznets@...hat.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Subject: RE: [PATCH 4/4] drivers:pci:hv: New paravirtual PCI front-end for
 Hyper-V VMs

On Mon, 3 Aug 2015, Jake Oshins wrote:

> I do have a question about your last point, though.  If I build this
> into the kernel, it will need to depend on sending and receiving
> messages through the hv_vmbus driver, which isn't built in.  It

Fair enough. I missed that detail.

> seemed like the indirection and glue code necessary to make that
> work would be almost as big as this entire implementation (which
> admittedly isn't very big.)  If you prefer that, I'll do it.  But it
> would make more sense to me to refactor this a bit more so that
> functions like the one above are exported rather than putting
> hv_pcie_init_irq_domain and hv_pcie_free_irq_domain into the kernel
> itself.  Would that work?

Yes.

Thanks,

	tglx
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