linux-kernel - Re: [PATCH 1/2] PCI: Do not use PCI ID macros in quirk names

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Date:	Mon, 25 Nov 2013 15:02:20 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Michal Marek <mmarek@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Joe Mario <jmario@...hat.com>
Subject: Re: [PATCH 1/2] PCI: Do not use PCI ID macros in quirk names

> What's LTO?  I guess it's Link Time Optimization?  Is there any

Yes. Link Time Optimization with modern gcc.

> documentation about how it works or how to use it?

It's still a separate tree, but bits'n'pieces are slowly
making it into the kernel.

https://github.com/andikleen/linux-misc/tree/lto-3.12

https://github.com/andikleen/linux-misc/blob/5a18e33264321b01816a220ab14207a5f26ae16e/Documentation/lto-build

http://halobates.de/kernel-lto.pdf

-Andi
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