linux-kernel - [PATCH v6 0/2] PCI: allocate 64bit mmio pref

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Date:	Thu, 19 Dec 2013 12:44:01 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Guo Chao <yan@...ux.vnet.ibm.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH v6 0/2] PCI: allocate 64bit mmio pref

mmio 64 allocation that could help Guo Chao <yan@...ux.vnet.ibm.com> on powerpc mmio allocation.
It will try to assign 64 bit resource above 4g at first.

And it is based on current pci/next and pci/resource.

-v2: update after patch that move device_del down to pci_destroy_dev.
     add "Try best to allocate pref mmio 64bit above 4G"

-v3: refresh and send out after pci_clip_resource() changes,
     as Bjorn is not happy with attachments.

-v4: make pcibios_resource_to_bus take bus directly.

-v5: fix non-pref mmio64 allocation problem found by Guo Chao.
     refresh last three as Bjorn update first two and put them in pci/resource

-v6: try above 4G at first, then restart again for under 4G.
     so we can drop patch that sort pci root bus resource list.

Yinghai Lu (2):
  PCI: Try to allocate mem64 above 4G at first
  PCI: Try best to allocate pref mmio 64bit above 4g

 drivers/pci/bus.c       |  34 ++++++++----
 drivers/pci/setup-bus.c | 138 ++++++++++++++++++++++++++++++++----------------
 drivers/pci/setup-res.c |  20 ++++++-
 3 files changed, 135 insertions(+), 57 deletions(-)

-- 
1.8.4

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