linux-kernel - Re: [PATCH 02/11] PCI: Try to allocate mem64 above 4G at first

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Message-ID: <CAE9FiQWmXLV4QsPP3Zab4iFogh1Lb6hxOwc8YnGyE5uTmwxB6Q@mail.gmail.com>
Date:	Tue, 29 May 2012 16:33:58 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Newbury <steve@...wbury.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/11] PCI: Try to allocate mem64 above 4G at first

On Tue, May 29, 2012 at 4:27 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> I don't understand this one at all.  It looks like you mashed together
> at least two changes: (1) prefer I/O space above 64K if available, and
> (2) mark secondary bus resources with IORESOURCE_IO_32 when the P2P
> bridge I/O window address decode type is PCI_IO_RANGE_TYPE_32 and use
> that to limit allocations.

let drop the one about IORESOURCE_IO_32.

that should only fix one reallocation bug in theory out of x86.

Thanks

Yinghai
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